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incremento del perímetro abdominal durante los meses previos sin otra sintomatología acompañante. En las pruebas complementarias solicitadas el hemograma y coagulación son normales. Glucosa, urea, ácido úrico, creatinina, calcio total, fósforo, triglicéridos, colesterol LDL, bilirrubina total, GOT, GPT, GGT, LDH, fosfatasa alcalina, amilasa, proteínas totales, albúmina, sodio, potasio, cloro, ferritina, transferrina, vitamina B12 y folato normales. Colesterol total 243 mg/dl (110-200), colesterol HDL 120 mg/dl (42-68), hierro 44 microg/dl (65-165); Ca 19,9, 82,03 U/l (< 40). CEA, PSA y alfa-fetoproteína normales. Velocidad de sedimentación globular 41 mm (< 14). En una segunda determinación de marcadores tumorales Ca 19,9, 91,23 y el resto normales. Resonancia magnética (RM) abdomino-pelvica: presencia de una gran masa multilobulada abdomino pelvica, cuya señal a excepción de los tabiques es preferentemente grasa. Las dimensiones máximas de la masa son de 26 cm en el eje cráneo caudal, 24,5 cm en el eje transverso y de 21 cm en el eje anteroposterior. Cruza la línea media y produce importante efecto de masa sobre el riñón izquierdo, al que rota y desplaza cranealmente, sin observarse signos de uropatía obstructiva. También ejerce efecto de masa sobre el colon transverso izquierdo, desplazándolo contra la pared abdominal. Los hallazgos son muy sugerentes de liposarcoma. Se realizó intervención quirúrgica mediante laparotomía media suprainfraumbilical donde se encontró una gran masa de aspecto lipomatoso desde la celda renal izquierda hasta espacio retrovesical. Se intentó extirpación en bloque con resección de fibras del psoas izquierdo infiltrado.\n El informe anatomopatológico de la pieza extraída fue en su descripción macroscópica: Pieza de 45 x 40 x 15 cm. con un peso de 6.300 gr. A la superficie presenta una coloración amarillenta, y a la sección se observa que mantiene esta coloración con finos tractos conectivos, sin apreciarse de manera clara áreas de necrosis y sí una distribución en lóbulos. En la descripción microscópica las secciones histológicas muestran todas ellas un mismo aspecto: en su mayor parte están constituidas por tejido adiposo con células adiposas con tamaño grande de vacuola grande y aspecto maduro. Se observa también la presencia de núcleos atípicos de manera focal, con citoplasma vacuolado. Estas zonas de tejido maduro están distribuidas de manera difusa por toda la neoplasia, y los focos con núcleos atípicos, en ocasiones hipercromáticos se muestran de manera aislada. Diagnóstico: Liposarcoma bien diferenciado. Una nueva determinación de Ca 19,9, posterior a la intervención quirúrgica presenta normalización de la misma (24,17 U/l), manteniéndose el resto de marcadores tumorales normales. Posteriormente se realiza radioterapia complementaria, presentando una evolución favorable y permaneciendo asintomático. La RM abdominopélvica de control realizada a los cinco meses de la intervención quirurgica presenta un estado postoperatorio del liposarcoma retroperitoneal, sin evidencia macroscópica de lesión. Así este paciente presentó una evolución favorable, permaneciendo asintomático en la actualidad transcurriendo más de un año desde la intervención quirúrgica.\n", "section_annotation": { "gold": [ { "end_offset": 17, "label": "PRESENT_ILLNESS", "segment": "Varón de 60 años ", "start_offset": 0 }, { "end_offset": 63, "label": "PAST_MEDICAL_HISTORY", "segment": "con antecedentes personales de EPOC moderado, ", "start_offset": 17 }, { "end_offset": 178, "label": "PRESENT_ILLNESS", "segment": "que consulta por incremento del perímetro abdominal durante los meses previos sin otra sintomatología acompañante. ", "start_offset": 63 }, { "end_offset": 1472, "label": "EXPLORATION", "segment": "En las pruebas complementarias solicitadas el hemograma y coagulación son normales. Glucosa, urea, ácido úrico, creatinina, calcio total, fósforo, triglicéridos, colesterol LDL, bilirrubina total, GOT, GPT, GGT, LDH, fosfatasa alcalina, amilasa, proteínas totales, albúmina, sodio, potasio, cloro, ferritina, transferrina, vitamina B12 y folato normales. Colesterol total 243 mg/dl (110-200), colesterol HDL 120 mg/dl (42-68), hierro 44 microg/dl (65-165); Ca 19,9, 82,03 U/l (< 40). CEA, PSA y alfa-fetoproteína normales. Velocidad de sedimentación globular 41 mm (< 14). En una segunda determinación de marcadores tumorales Ca 19,9, 91,23 y el resto normales. Resonancia magnética (RM) abdomino-pelvica: presencia de una gran masa multilobulada abdomino pelvica, cuya señal a excepción de los tabiques es preferentemente grasa. Las dimensiones máximas de la masa son de 26 cm en el eje cráneo caudal, 24,5 cm en el eje transverso y de 21 cm en el eje anteroposterior. Cruza la línea media y produce importante efecto de masa sobre el riñón izquierdo, al que rota y desplaza cranealmente, sin observarse signos de uropatía obstructiva. También ejerce efecto de masa sobre el colon transverso izquierdo, desplazándolo contra la pared abdominal. Los hallazgos son muy sugerentes de liposarcoma. ", "start_offset": 178 }, { "end_offset": 1757, "label": "TREATMENT", "segment": "Se realizó intervención quirúrgica mediante laparotomía media suprainfraumbilical donde se encontró una gran masa de aspecto lipomatoso desde la celda renal izquierda hasta espacio retrovesical. Se intentó extirpación en bloque con resección de fibras del psoas izquierdo infiltrado.\n ", "start_offset": 1472 }, { "end_offset": 2844, "label": "EXPLORATION", "segment": "El informe anatomopatológico de la pieza extraída fue en su descripción macroscópica: Pieza de 45 x 40 x 15 cm. con un peso de 6.300 gr. A la superficie presenta una coloración amarillenta, y a la sección se observa que mantiene esta coloración con finos tractos conectivos, sin apreciarse de manera clara áreas de necrosis y sí una distribución en lóbulos. En la descripción microscópica las secciones histológicas muestran todas ellas un mismo aspecto: en su mayor parte están constituidas por tejido adiposo con células adiposas con tamaño grande de vacuola grande y aspecto maduro. Se observa también la presencia de núcleos atípicos de manera focal, con citoplasma vacuolado. Estas zonas de tejido maduro están distribuidas de manera difusa por toda la neoplasia, y los focos con núcleos atípicos, en ocasiones hipercromáticos se muestran de manera aislada. Diagnóstico: Liposarcoma bien diferenciado. Una nueva determinación de Ca 19,9, posterior a la intervención quirúrgica presenta normalización de la misma (24,17 U/l), manteniéndose el resto de marcadores tumorales normales. 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Tres meses antes del ingreso comienza con fiebre de 39º C de carácter intermitente con artralgias y tumefacción en ambos tobillos, rodillas, codos y muñecas. A la exploración física destaca palidez y discreto dolor abdominal difuso en la palpación profunda. Datos analíticos: Hb 9,6 mg/dL; HTO 31%, VCM 65 mm, 660.000 plaquetas/mL, ferritina 65 ng/mL, Fe 15 microg/dL, fibrinógeno 644 mg/dL, PCR 55 mg/dL. Resto de los estudios bioquímicos, serológicos e inmunológicos fueron normales. Ecografía abdominal sin alteraciones. En el enema opaco se objetiva afectación del colon sigmoide hasta ciego, observándose úlceras transversales y longitudinales del colon. La colonoscopia demuestra en colon descendente y sigmoide, una mucosa eritematosa y edematosa, con múltiples ulceraciones y pseudopólipos los hallazgos anatomopatológicos de la biopsia son compatibles con la enfermedad de Crohn.\n Curso evolutivo: la enferma cursó posteriormente con diarrea con 2-3 deposiciones líquidas diarias sin productos patológicos y lesiones cutáneas de eritema nodoso.\n", "section_annotation": { "gold": [ { "end_offset": 18, "label": "PRESENT_ILLNESS", "segment": "Mujer de 23 años, ", "start_offset": 0 }, { "end_offset": 58, "label": "PAST_MEDICAL_HISTORY", "segment": "sin antecedentes personales de interés, ", "start_offset": 18 }, { "end_offset": 94, "label": "PRESENT_ILLNESS", "segment": "que consulta por fiebre y artritis. 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La colonoscopia demuestra en colon descendente y sigmoide, una mucosa eritematosa y edematosa, con múltiples ulceraciones y pseudopólipos los hallazgos anatomopatológicos de la biopsia son compatibles con la enfermedad de Crohn.\n ", "start_offset": 252 }, { "end_offset": 1148, "label": "EVOLUTION", "segment": "Curso evolutivo: la enferma cursó posteriormente con diarrea con 2-3 deposiciones líquidas diarias sin productos patológicos y lesiones cutáneas de eritema nodoso.\n", "start_offset": 984 } ] } }
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El resultado anatomopatoógico fue de pólipos fibroepiteliales (12).\n \n Tras el diagnóstico dermatológico se inició el estudio de extensión: a) tránsito EGD y enema opaco que evidencian numerosos pólipos desde el antro hasta la ampolla rectal; b) endoscopias digestivas alta y baja: parcheado difuso desde esófago cervical a cardias que histológicamente coincide con una acantosis glucogénica; pólipos sésiles y alguno pediculado desde estómago hasta ampolla rectal que corresponden histológicamente a pólipos hamartomatosos; c) ecografía tiroidea: 2 nódulos sólidos, uno en cada lóbulo. Tras punción (PAAF) se diagnostica de bocio coloidal; y d) se realizó tomografía computerizada craneal que no demostró alteraciones significativas.\n En la actualidad el paciente consulta por cefalea. Dada su enfermedad de base se le realiza resonancia magnética nuclear demostrándose una lesión en hemisferio cerebeloso derecho descrita como un aumento de volumen debido a la presencia de una masa mal delimitada que muestra discreta hipodensidad de señal T1 y discreta hiperdensidad de señal T2 y FLAIR que afecta a la cortical cerebelosa en región posterolateral y que condiciona un leve desplazamiento hacia la izquierda del IV ventrículo sin evidencia de hidrocefalia a nivel supratentorial. Tras la administración de contraste paramagnético no se visualiza captación significativa por lo que parece tratarse de un gangliocitoma displásico cerebeloso con engrosamiento de las capas del cerebelo lo que produce un aparente laminado de la cortical.\n \n", "section_annotation": { "gold": [ { "end_offset": 17, "label": "PRESENT_ILLNESS", "segment": "Varón de 56 años ", "start_offset": 0 }, { "end_offset": 980, "label": "PAST_MEDICAL_HISTORY", "segment": "diagnosticado hace 10 años de Enfermedad de Cowden por presentar múltiples formaciones papilomatosas en dorso de la lengua de tamaño variable, macroglosia saburral y pápulas de color piel en mucosa lingual a modo de empedrado. El resultado anatomopatoógico fue de pólipos fibroepiteliales (12).\n \n Tras el diagnóstico dermatológico se inició el estudio de extensión: a) tránsito EGD y enema opaco que evidencian numerosos pólipos desde el antro hasta la ampolla rectal; b) endoscopias digestivas alta y baja: parcheado difuso desde esófago cervical a cardias que histológicamente coincide con una acantosis glucogénica; pólipos sésiles y alguno pediculado desde estómago hasta ampolla rectal que corresponden histológicamente a pólipos hamartomatosos; c) ecografía tiroidea: 2 nódulos sólidos, uno en cada lóbulo. Tras punción (PAAF) se diagnostica de bocio coloidal; y d) se realizó tomografía computerizada craneal que no demostró alteraciones significativas.\n ", "start_offset": 17 }, { "end_offset": 1031, "label": "PRESENT_ILLNESS", "segment": "En la actualidad el paciente consulta por cefalea. ", "start_offset": 980 }, { "end_offset": 1784, "label": "EXPLORATION", "segment": "Dada su enfermedad de base se le realiza resonancia magnética nuclear demostrándose una lesión en hemisferio cerebeloso derecho descrita como un aumento de volumen debido a la presencia de una masa mal delimitada que muestra discreta hipodensidad de señal T1 y discreta hiperdensidad de señal T2 y FLAIR que afecta a la cortical cerebelosa en región posterolateral y que condiciona un leve desplazamiento hacia la izquierda del IV ventrículo sin evidencia de hidrocefalia a nivel supratentorial. Tras la administración de contraste paramagnético no se visualiza captación significativa por lo que parece tratarse de un gangliocitoma displásico cerebeloso con engrosamiento de las capas del cerebelo lo que produce un aparente laminado de la cortical.\n \n", "start_offset": 1031 } ] } }
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Reacción de Mantoux y serologías virales, bacterianas y parasitarias negativas.\n Se agregaron factor reumatoideo, factor antinuclear, ANCA C y P, siendo todos negativos.\n La radiografía de tórax no evidenció patología.\n La paciente presentaba dispepsia y pirosis, lo que sugiere enfermedad por RGE por lo que se realizó una endoscopia digestiva que evidenció esofagitis grado dos. Inició tratamiento con omeprazol 40 mg/día, desapareciendo los síntomas así como también la sudoración nocturna, y reapareciendo esta última al suspender el fármaco. 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La madre del paciente relató que la hermana del paciente presentaba lesiones semejantes, las cuales fueron tratadas por cauterización. En el análisis físico intraoral, se observaron múltiples lesiones papilomatosas, algunas con aspecto nodular, otras con aspecto de verrugas, de la misma coloración de la mucosa bucal e indoloras. Las lesiones se localizaban en la comisura labial bilateral, en la zona retrocomisural, bilateral, en la mucosa del labio superior e inferior, en el borde anterior de la lengua y en el 1/3 posterior del palato duro, en la región de la línea mediana. El tamaño de las lesiones variaba de 0,5 a 5 mm de diámetro. La sospecha clínica fue de Hiperplasia Focal del Epitelio. Se realizó la biopsia excisional de una de las lesiones, localizada en la comisura labial lado derecho. El aspecto histopatológico demostró acantosis del epitelio, presencia de crestas interpapilares ensanchadas, coilocitosis y alteración nuclear, conocida como figura mitosoide. La presencia del virus del HPV 13 fue comprobada por análisis inmunohistoquímica. Esas características llevan al diagnóstico definitivo de Hiperplasia Focal del Epitelio. A la madre del paciente se le informó sobre las características de benignidad de la enfermedad y, se espera que disminuyan las lesiones. El paciente está en acompañamiento semestral.\n", "section_annotation": { "gold": [ { "end_offset": 50, "label": "PRESENT_ILLNESS", "segment": "Paciente del sexo masculino, 11 años, leucoderma, ", "start_offset": 0 }, { "end_offset": 233, "label": "DERIVED_FROM/TO", "segment": "fue enviado al Ambulatorio de Estomatología del Hospital de Clínicas de Porto Alegre por su Cirujano Dentista debido a múltiples lesiones papilomatosas dispersas por la mucosa bucal. ", "start_offset": 50 }, { "end_offset": 368, "label": "FAMILY_HISTORY", "segment": "La madre del paciente relató que la hermana del paciente presentaba lesiones semejantes, las cuales fueron tratadas por cauterización. ", "start_offset": 233 }, { "end_offset": 1385, "label": "EXPLORATION", "segment": "En el análisis físico intraoral, se observaron múltiples lesiones papilomatosas, algunas con aspecto nodular, otras con aspecto de verrugas, de la misma coloración de la mucosa bucal e indoloras. Las lesiones se localizaban en la comisura labial bilateral, en la zona retrocomisural, bilateral, en la mucosa del labio superior e inferior, en el borde anterior de la lengua y en el 1/3 posterior del palato duro, en la región de la línea mediana. El tamaño de las lesiones variaba de 0,5 a 5 mm de diámetro. La sospecha clínica fue de Hiperplasia Focal del Epitelio. Se realizó la biopsia excisional de una de las lesiones, localizada en la comisura labial lado derecho. El aspecto histopatológico demostró acantosis del epitelio, presencia de crestas interpapilares ensanchadas, coilocitosis y alteración nuclear, conocida como figura mitosoide. 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Al examen clínico se observan múltiples placas, manchas y verrugosidades distribuidas en forma irregular de todo el paladar duro comprometiendo tercio anterior y medio, del lado izquierdo y derecho; con una coloración de tonalidad variante desde un blanco grisáceo hasta un blanco amarillo; tamaño que oscila aproximadamente sobre 3×5 cm, forma variada de superficie verrugosa y consistencia blanda, bordes definidos, asintomática; no desprende al raspado e imperceptible por la misma. La paciente reporta ser fumadora invertida desde hace 40 años y refiere fumar 5 cigarrillos al día. En esta paciente se da una impresión clínica de leucoplasia homogénea y, para realizar el diagnóstico definitivo, se programó biopsia incisional.\n \n Procedimiento\n Previo consentimiento informado, se aplica técnica anestésica nasopalatina y palatina anterior bilateral, utilizando lidocaína con epinefrina al 2%; luego se realizó incisión romboidal con hoja de bisturí número 15 en borde anterior de paladar duro del lado derecho, seguido de la disección del tejido, el cual se tomó con pinza Alix para proteger y manipular mejor la muestra de tejido, se hace hemostasia con una torunda de gasa estéril, tomando cuatro puntos de sutura con seda 3/0, lavado y secado de la zona. Se dieron indicaciones a la paciente de forma verbal y por escrito.\n \n La paciente regresa a un control posquirúrgico a los 7 días observándose tejidos en buen estado y en proceso de cicatrización. El reporte histopatológico indica mucosa palatina con marcada queratosis sin \"displasia\".\n Se realizan controles mensuales observando la desaparición casi total de la patología; sin embargo la paciente reporta que ha iniciado otra vez el hábito de fumar invertido y, en el último control, se observa aparición nuevamente de las placas blancas. Observamos entonces una fuerte asociación entre el fumar invertido y la aparición de lesiones premalignas.\n", "section_annotation": { "gold": [ { "end_offset": 37, "label": "PRESENT_ILLNESS", "segment": "Paciente femenina de 84 años de edad ", "start_offset": 0 }, { "end_offset": 168, "label": "DERIVED_FROM/TO", "segment": "que es remitida al servicio de Estomatología y Cirugía Oral de la Universidad de Cartagena por presentar molestia en cavidad oral. ", "start_offset": 37 }, { "end_offset": 654, "label": "EXPLORATION", "segment": "Al examen clínico se observan múltiples placas, manchas y verrugosidades distribuidas en forma irregular de todo el paladar duro comprometiendo tercio anterior y medio, del lado izquierdo y derecho; con una coloración de tonalidad variante desde un blanco grisáceo hasta un blanco amarillo; tamaño que oscila aproximadamente sobre 3×5 cm, forma variada de superficie verrugosa y consistencia blanda, bordes definidos, asintomática; no desprende al raspado e imperceptible por la misma. ", "start_offset": 168 }, { "end_offset": 754, "label": "PAST_MEDICAL_HISTORY", "segment": "La paciente reporta ser fumadora invertida desde hace 40 años y refiere fumar 5 cigarrillos al día. 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Se dieron indicaciones a la paciente de forma verbal y por escrito.\n \n ", "start_offset": 903 }, { "end_offset": 1630, "label": "EVOLUTION", "segment": "La paciente regresa a un control posquirúrgico a los 7 días observándose tejidos en buen estado y en proceso de cicatrización. ", "start_offset": 1503 }, { "end_offset": 1808, "label": "EXPLORATION", "segment": "El reporte histopatológico indica mucosa palatina con marcada queratosis sin \"displasia\".\n Se realizan controles mensuales observando la desaparición casi total de la patología; ", "start_offset": 1630 }, { "end_offset": 2081, "label": "EVOLUTION", "segment": "sin embargo la paciente reporta que ha iniciado otra vez el hábito de fumar invertido y, en el último control, se observa aparición nuevamente de las placas blancas. Observamos entonces una fuerte asociación entre el fumar invertido y la aparición de lesiones premalignas.\n", "start_offset": 1808 } ] } }
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A las 72 h de iniciado el cuadro clínico, el niño refiere dolor e impotencia funcional en hombro derecho, sin signos de flogosis al examen físico. En la evaluación inicial se solicitó una radiografía simple y una ecografía del hombro afectado, ambos estudios con resultados normales. Luego de presentar fiebre elevada y persistente durante 6 días, al examen físico se detecta eritema y edema en la región esternoclavicular derecha, motivo por el cual se decide su internación. \n \n Los exámenes de laboratorio iniciales revelan leucocitosis (GB: 19.890/mm3 ) con neutrofilia (85%) proteína C-reactiva (PC-R: 90) y eritrosedimentación elevadas (ERS: 57 mm). La CPK informa valores normales (50 UI/L). Ante la sospecha de un foco profundo de infección, se solicita una resonancia magnética (RMN) que evidencia un intenso mioedema que compromete los músculos trapecio y pectoral mayor derecho. \n \n Se realizan dos hemocultivos y se inicia tratamiento con cefalotina por vía parenteral. Luego de 48 h de iniciado el tratamiento, el niño continúa febril; además, presenta aumento del eritema y edema en la zona afectada. Se reciben los resultados de los hemocultivos tomados al ingreso, que resultan positivos para SAMRC (resistente a clindamicina); se modifica el esquema terapéutico y se indica vancomicina por vía endovenosa y rifampicina por vía oral. Dos días más tarde, la fiebre comienza a disminuir y la lesión se torna circunscripta y fluctuante. Aparece además un exantema cutáneo eritematopustuloso con descamación que predomina en tronco y axila. Se realiza hisopado nasal, axilar y anal, y se obtiene el germen aislado previamente en la mucosa nasal. \n \n En una segunda RMN, se comprueba mayor jerarquía del edema en los músculos trapecio y pectoral mayor derecho, extendiéndose el proceso a los músculos pectoral menor, subclavio, romboides y al tejido blando adyacente. Formación de una colección líquida que rodea el tercio proximal de la clavícula derecha. \n \n Posteriormente, se realiza el drenaje del absceso por punción y se solicita un centellograma que descarta el compromiso óseo. El niño evoluciona favorablemente y completa diez días de tratamiento con vancomicina por vía parenteral y luego, veinte días con trimetroprimasulfametoxasol por vía oral.\n", "section_annotation": { "gold": [ { "end_offset": 39, "label": "PRESENT_ILLNESS", "segment": "Se trata de un niño de 7 años de edad, ", "start_offset": 0 }, { "end_offset": 91, "label": "PAST_MEDICAL_HISTORY", "segment": "sin antecedentes patológicos personales relevantes, ", "start_offset": 39 }, { "end_offset": 148, "label": "PRESENT_ILLNESS", "segment": "que comienza con un síndrome febril sin foco detectable. 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El niño es un paciente eutrófico, recién nacido de término, sin antecedentes personales para destacar. Al examen físico presenta regular estado general, fiebre de 38,2ºC, tumoración bilateral en cuello, blanda, dolorosa y con crepitación localizada en zona submandibular. El resto del examen es normal, a excepción de una otitis media aguda (OMA) congestiva izquierda. Al examen respiratorio presenta tos húmeda leve, sin disnea ni polipnea; frecuencia respiratoria 30 por minuto, sin tiraje; buena entrada de aire bilateral; rales subcrepitantes diseminados. No se auscultan roncus o sibilancias (última nebulización con salbutamol hacía 7 h). Se interpreta el cuadro como enfisema subcutáneo secundario a acceso de tos intensa y se solicitan radiografías con nota al Servicio de Urgencias para eventual internación.\n \n Se interna y se realiza: saturometría O2 (FIO2 aire ambiental): 97%, hemograma: glóbulos blancos: 6.000 por mm3, hemoglobina: 11 g%, fórmula leucocitaria: 6/72/2/0/16/4; proteína C-reactiva: 45 mg/dl; medio interno normal y serología para bacterias atípicas. Se realiza TAC. Se interna por 72 h, no se constatan sibilancias ni espiración prolongada y se da tratamiento de sostén con analgesia, O2 por cánula nasal y amoxicilina para la OMA. Presenta buena evolución clínica con disminución de la tumoración cervical, el dolor cervical y la fiebre. La radiografía de tórax al alta es normal.\n \n Al 5 to día de evolución, ya en seguimiento ambulatorio, se recibe serología: IgM e IgG anti-Clamidia e IgM anti-Mycoplasma pneumoniae: negativos. La IgG anti-Mycoplasma pneumoniae fue positiva: 1/80 por inmunofluorescencia indirecta. Se decide rotar la amoxicilina por claritromicina y repetir serología a los 15 días de evolución. A los 15 d ías de evolución el paciente se encuentra asintomático. Serología: IgM anti-Mycoplasma: negativa e IgG anti-Mycoplasma: positiva 1/64 (IFI). IgA: 108 mg/dl, IgE: 31,1 UI/ml (vn: 60-144), IgG: 818 mg/dl (vn: 315-1236), IgM: 72 mg/dl (vn: 43-207), proteinograma: proteínas totales: 7,51, albúmina: 4,49, alfa 1: 0,27, alfa 2: 101 (elevada), β-globulina: 0,90, gamma: 0,84. Relación albúmina-globulina: 1,49 (normal). Luego de tres meses de evolución, el paciente sigue asintomático y sin presentar recurrencias.\n", "section_annotation": { "gold": [ { "end_offset": 236, "label": "PRESENT_ILLNESS", "segment": "Paciente varón de 4 años y 3 meses que concurre al consultorio luego de un episodio de tos interpretado, doce horas antes, en un servicio de urgencia, como episodio de broncoobstrucción aguda que se trató con salbutamol y prednisolona. ", "start_offset": 0 }, { "end_offset": 339, "label": "PAST_MEDICAL_HISTORY", "segment": "El niño es un paciente eutrófico, recién nacido de término, sin antecedentes personales para destacar. ", "start_offset": 236 }, { "end_offset": 1406, "label": "EXPLORATION", "segment": "Al examen físico presenta regular estado general, fiebre de 38,2ºC, tumoración bilateral en cuello, blanda, dolorosa y con crepitación localizada en zona submandibular. El resto del examen es normal, a excepción de una otitis media aguda (OMA) congestiva izquierda. Al examen respiratorio presenta tos húmeda leve, sin disnea ni polipnea; frecuencia respiratoria 30 por minuto, sin tiraje; buena entrada de aire bilateral; rales subcrepitantes diseminados. No se auscultan roncus o sibilancias (última nebulización con salbutamol hacía 7 h). Se interpreta el cuadro como enfisema subcutáneo secundario a acceso de tos intensa y se solicitan radiografías con nota al Servicio de Urgencias para eventual internación.\n \n Se interna y se realiza: saturometría O2 (FIO2 aire ambiental): 97%, hemograma: glóbulos blancos: 6.000 por mm3, hemoglobina: 11 g%, fórmula leucocitaria: 6/72/2/0/16/4; proteína C-reactiva: 45 mg/dl; medio interno normal y serología para bacterias atípicas. Se realiza TAC. Se interna por 72 h, no se constatan sibilancias ni espiración prolongada ", "start_offset": 339 }, { "end_offset": 1498, "label": "TREATMENT", "segment": "y se da tratamiento de sostén con analgesia, O2 por cánula nasal y amoxicilina para la OMA. ", "start_offset": 1406 }, { "end_offset": 1605, "label": "EVOLUTION", "segment": "Presenta buena evolución clínica con disminución de la tumoración cervical, el dolor cervical y la fiebre. ", "start_offset": 1498 }, { "end_offset": 1886, "label": "EXPLORATION", "segment": "La radiografía de tórax al alta es normal.\n \n Al 5 to día de evolución, ya en seguimiento ambulatorio, se recibe serología: IgM e IgG anti-Clamidia e IgM anti-Mycoplasma pneumoniae: negativos. La IgG anti-Mycoplasma pneumoniae fue positiva: 1/80 por inmunofluorescencia indirecta. ", "start_offset": 1605 }, { "end_offset": 1984, "label": "TREATMENT", "segment": "Se decide rotar la amoxicilina por claritromicina y repetir serología a los 15 días de evolución. ", "start_offset": 1886 }, { "end_offset": 2051, "label": "EVOLUTION", "segment": "A los 15 d ías de evolución el paciente se encuentra asintomático. 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En esa oportunidad, al examen físico se observaron múltiples nódulos eritematosos, dolorosos, de 1-2 cm, agrupados en miembros superiores e inferiores; otros nódulos eritematopurpúricos, de mayor tiempo de evolución en arco interno de pie izquierdo y otro en región posterior de tobillo derecho.\n No se palpaban adenomegalias ni se evidenciaban livedo reticular, ulceraciones u otros signos cutáneos. Con diagnósticos presuntivos de panarteritis nudosa cutánea (PANC), eritema nudoso atípico u otras paniculitis, se solicitaron estudios complementarios: recuento de glóbulos blancos, 10.900 (neutrófilos 61%; linfocitos 29%); hemoglobina, 13,5 mg/dl; hematocrito, 40%; plaquetas, 292.000/ mm3; ESD 32 mm/h, tiempo de protrombina, 96%; KPTT 36 seg; ASTO 400 UI/ml (VN<200 UI/ ml); complemento: C3 214 (VN: 90-180); C4 45,3 (VN: 10-40); FAN, ANCA, FR, serologías para VHB, VHC, Bartonella, Mycoplasma y EBV: negativas. Cultivo de fauces: negativo. La PPD 2 UT fue no reactiva. 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Se decidió la suspensión del antibiótico y comenzar tratamiento con meprednisona 1 mg/kg/día, dosis diaria total de 40 mg y penicilina profiláctica, por el antecedente de un ASTO positivo. Hubo mejoría parcial al inicio del tratamiento, pero debido a la persistencia de lesiones, fiebre y artralgias, se aumentó la dosis de meprednisona a 60 mg/día a los ocho días con respuesta favorable y sin evidencia de rebrote en los controles posteriores.\n", "section_annotation": { "gold": [ { "end_offset": 27, "label": "PRESENT_ILLNESS", "segment": "Paciente varón de 11 años, ", "start_offset": 0 }, { "end_offset": 65, "label": "PAST_MEDICAL_HISTORY", "segment": "sin antecedentes de salud relevantes, ", "start_offset": 27 }, { "end_offset": 180, "label": "PRESENT_ILLNESS", "segment": "que consultó al Hospital Universitario Austral por dolor y tumefacción del pie izquierdo, de 15 días de evolución. 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endovenoso y evaluación urgente por oftalmología. Datos positivos al examen físico: eritema y edema de párpado superior derecho de 12 h de evolución que dificultaba la apertura ocular, limitación de la mirada vertical, prurito y crepitación a la palpación del párpado. Se encontraba en buen estado general y afebril.\n \n Al profundizar el interrogatorio, se descubre mínimo traumatismo de cara ocurrido 20 h previas a la consulta y episodio de estornudo inmediatamente antes del inicio del cuadro clínico. Con sospecha de enfisema subcutáneo secundario a fractura de seno etmoidal se solicita: Rx de senos paranasales (velamiento del seno maxilar derecho), TAC de orbita en cortes axiales y coronales (zona de hipodensidad en párpado superior derecho, zona de seno maxilar derecho levemente hiperdensa, desplazamiento del globo ocular derecho hacia abajo). Lámpara de hendidura, agudeza visual y fondo de ojo normales. Se diagnostica fractura de lámina papirácea del etmoides. El enfisema subcutáneo secundario se reabsorbe espontáneamente en forma completa a los 4 días de evolución. Recibió tratamiento profiláctico con amoxicilina/clavulánico y tratamiento sintomático.\n \n", "section_annotation": { "gold": [ { "end_offset": 43, "label": "PRESENT_ILLNESS", "segment": "Paciente de 8 años de edad, sexo femenino, ", "start_offset": 0 }, { "end_offset": 210, "label": "DERIVED_FROM/TO", "segment": "derivada a la guardia del sanatorio con diagnóstico de celulitis orbitaria para internación, tratamiento antibiótico endovenoso y evaluación urgente por oftalmología. ", "start_offset": 43 }, { "end_offset": 480, "label": "EXPLORATION", "segment": "Datos positivos al examen físico: eritema y edema de párpado superior derecho de 12 h de evolución que dificultaba la apertura ocular, limitación de la mirada vertical, prurito y crepitación a la palpación del párpado. Se encontraba en buen estado general y afebril.\n \n ", "start_offset": 210 }, { "end_offset": 665, "label": "PAST_MEDICAL_HISTORY", "segment": "Al profundizar el interrogatorio, se descubre mínimo traumatismo de cara ocurrido 20 h previas a la consulta y episodio de estornudo inmediatamente antes del inicio del cuadro clínico. ", "start_offset": 480 }, { "end_offset": 1136, "label": "EXPLORATION", "segment": "Con sospecha de enfisema subcutáneo secundario a fractura de seno etmoidal se solicita: Rx de senos paranasales (velamiento del seno maxilar derecho), TAC de orbita en cortes axiales y coronales (zona de hipodensidad en párpado superior derecho, zona de seno maxilar derecho levemente hiperdensa, desplazamiento del globo ocular derecho hacia abajo). Lámpara de hendidura, agudeza visual y fondo de ojo normales. Se diagnostica fractura de lámina papirácea del etmoides. 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Antecedentes personales: recién nacido de gesta 1, embarazo controlado, parto normal, de término (40 semanas), con peso adecuado (3360 kg). A los 2 años le diagnosticaron miopía, por lo que se encuentra en seguimiento por oftalmología. A los 3 años y 5 meses presentó una infección del tracto urinario por Escherichia coli, recibió tratamiento ambulatorio, pero no realizaron controles posteriores de esta patología. Refiere poliuria y polidipsia desde temprana edad. Antecedentes familiares: abuela paterna hipoacúsica, primo paterno con litiasis renal, padre con microhematuria. Al ingreso, la paciente se encontraba eutrófica (peso: 17.400 kg, talla: 104 cm), en buen estado general, febril, normotensa. Por presentar orina patológica se solicitan: urocultivo, que se informa positivo para Escherichia coli, y ecografía renal en la que se evidencian imágenes compatibles con nefrocalcinosis. En la radiografía de abdomen se observan calcificaciones renales.\n \n Los exámenes de laboratorio manifestaron insuficiencia renal (depuración de creatinina 50 ml/min/1,73, que se calculó por fórmula), hipercalciuria (13 mg/kg/d), hipomagnesemia, hipermagnesuria, anemia y acidosis.\n \n La evaluación cardiológica y otorrinolaringológica fue normal. En oftalmología se diagnosticó \"coriorretinitis cicatrizal macular, coriopatía miópica\". Se arriba al diagnóstico por la presencia de hipercalciuria, nefrocalcinosis, hipomagnesemia, hipermagnesuria e insuficiencia renal, asociadas a patología ocular y antecedentes personales y familiares compatibles. Cumplió tratamiento para infección urinaria. Se indicó citrato de potasio, amiloride-hidroclorotiazida 25 mg/día, pidolato de magnesio 1,5 g/ día, ácido fólico 5 mg/día, sulfato ferroso 3 mg/ kg/día, dieta hiposódica controlada en proteínas y líquidos a demanda. Durante su evolución presentó nueva infección urinaria a E. coli, se realizó cistouretrografía miccional, que fue normal, y se inició profilaxis antibiótica con nitrofurantoína. Se suspendió la hidroclorotiazida a los dos meses de tratamiento por brusco aumento de urea y creatinina, con mejoría posterior y mantenimiento de valores de calciuria dentro de la normalidad. Se mantiene hasta la actualidad el resto de la medicación.\n", "section_annotation": { "gold": [ { "end_offset": 131, "label": "PRESENT_ILLNESS", "segment": "Paciente de sexo femenino de 4 años de edad que consulta por presentar fiebre (39 ºC) de seis días de evolución y dolor abdominal. ", "start_offset": 0 }, { "end_offset": 599, "label": "PAST_MEDICAL_HISTORY", "segment": "Antecedentes personales: recién nacido de gesta 1, embarazo controlado, parto normal, de término (40 semanas), con peso adecuado (3360 kg). A los 2 años le diagnosticaron miopía, por lo que se encuentra en seguimiento por oftalmología. A los 3 años y 5 meses presentó una infección del tracto urinario por Escherichia coli, recibió tratamiento ambulatorio, pero no realizaron controles posteriores de esta patología. Refiere poliuria y polidipsia desde temprana edad. ", "start_offset": 131 }, { "end_offset": 712, "label": "FAMILY_HISTORY", "segment": "Antecedentes familiares: abuela paterna hipoacúsica, primo paterno con litiasis renal, padre con microhematuria. ", "start_offset": 599 }, { "end_offset": 1677, "label": "EXPLORATION", "segment": "Al ingreso, la paciente se encontraba eutrófica (peso: 17.400 kg, talla: 104 cm), en buen estado general, febril, normotensa. Por presentar orina patológica se solicitan: urocultivo, que se informa positivo para Escherichia coli, y ecografía renal en la que se evidencian imágenes compatibles con nefrocalcinosis. En la radiografía de abdomen se observan calcificaciones renales.\n \n Los exámenes de laboratorio manifestaron insuficiencia renal (depuración de creatinina 50 ml/min/1,73, que se calculó por fórmula), hipercalciuria (13 mg/kg/d), hipomagnesemia, hipermagnesuria, anemia y acidosis.\n \n La evaluación cardiológica y otorrinolaringológica fue normal. En oftalmología se diagnosticó \"coriorretinitis cicatrizal macular, coriopatía miópica\". Se arriba al diagnóstico por la presencia de hipercalciuria, nefrocalcinosis, hipomagnesemia, hipermagnesuria e insuficiencia renal, asociadas a patología ocular y antecedentes personales y familiares compatibles. ", "start_offset": 712 }, { "end_offset": 1940, "label": "TREATMENT", "segment": "Cumplió tratamiento para infección urinaria. Se indicó citrato de potasio, amiloride-hidroclorotiazida 25 mg/día, pidolato de magnesio 1,5 g/ día, ácido fólico 5 mg/día, sulfato ferroso 3 mg/ kg/día, dieta hiposódica controlada en proteínas y líquidos a demanda. ", "start_offset": 1677 }, { "end_offset": 2006, "label": "EVOLUTION", "segment": "Durante su evolución presentó nueva infección urinaria a E. coli, ", "start_offset": 1940 }, { "end_offset": 2062, "label": "EXPLORATION", "segment": "se realizó cistouretrografía miccional, que fue normal, ", "start_offset": 2006 }, { "end_offset": 2311, "label": "TREATMENT", "segment": "y se inició profilaxis antibiótica con nitrofurantoína. Se suspendió la hidroclorotiazida a los dos meses de tratamiento por brusco aumento de urea y creatinina, con mejoría posterior y mantenimiento de valores de calciuria dentro de la normalidad. 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El examen físico general se encontraba dentro de los límites de la normalidad. En el examen físico dermatológico se constatan múltiples vesículas, firmes, amarillentas, sobre una base inflamatoria, de distribución lineal que afectan MS izquierdo y ambos MI. El tamaño de las lesiones es variable, con diámetros que oscilan entre 0,1-1 cm. No se constató afectación ungueal. Se la remite al neurólogo y oftalmólogo, que descartan afectación en tales áreas.\n \n Métodos auxiliares de diagnóstico: hemograma: Hb: 15,4 g/dl; leucocitos: 16 700 cél./mm3; N: 68%; L: 20%; Eo: 10%; plaquetas: 330 000 cél./mm3. Examen directo y cultivo: negativo para hongos y bacterias. Dos hemocultivos: negativos. VDRL: no reactiva. Biopsia cutánea: Se efectúa biopsia cutánea incisional de una de las vesículas de MI, se fija en formol neutro tamponado al 10% y se procesa de manera convencional. Se efectúa coloración HE. La anatomía patológica informa: dermatitis psoriasiforme perivascular superficial, presencia de marcada espongiosis en el tercio inferior del epitelio con exocitosis eosinofílica y presencia de células disqueratósicas. En dermis se observó un infiltrado inflamatorio perivascular superficial de linfocitos con eosinófilos y edema.\n \n Diagnóstico anatomopatológico final: incontinentia pigmenti estadio eritemato-ampollar. Evolución y tratamiento: Se higienizan las lesiones con infusión de manzanilla fría y pasta al agua luego de la higiene, dos veces por día, hasta la desaparición de las ampollas. 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Durante todo el embarazo la madre cursó con tos productiva, persistente, sin predominio de horario, tratada con nebulizaciones con salbutamol y, en el segundo trimestre de gestación, con infecciones vaginales reiteradas cuyo manejo se desconoce. El producto fue obtenido por cesárea a las 36 semanas de gestación; peso: 2800 g, con atresia bilateral de coanas (ABC), encefalocele, hidrocefalia, microftalmía derecha y restos de bandas de constricción oscuras en dedos de manos y pies; sin datos de las características de la placenta. Al 5to día de vida se le colocó válvula de derivación ventriculoperitoneal y se realizó plastia de encefalocele; a las dos semanas desarrolla neumonía nosocomial. A la exploración física actual, peso: 3150 g (percentil 3); talla: 52 cm (percentil 20); plagiocefalia frontotemporal izquierda, dolicocefalia, cicatriz de plastia en región occipital de 10 cm de longitud y válvula de pudens en región temporal derecha, frontal prominente; ausencia de cejas; microftalmía derecha; puente nasal deprimido; hiperplasia gingival; paladar ojival; pectus excavatum; hernia umbilical; marca de constricción circular por bandas en región distal de antebrazo derecho y dedos 2, 3 y 4; además de aplasia ungueal y acrosindactilia de éstos; mano izquierda con marca de constricción circular por bandas en 4to dedo y acrosindactilia con ausencia ungueal de dedos 2do y 3ro; pie derecho con acrosindactilia de dedos 2do y 3ro; pie izquierdo ausencia de dedos 1ro, 2do y 3ro, acrosindactilia y marca de banda de constricción de 5to dedo.\n \n Los estudios de laboratorio se encontraron dentro de parámetros normales; el cariotipo con resolución de 550 bandas y técnica de bandeo G en 40 metafases se informó: 46, XY; en las radiografías se observó ausencia de la 2da falange distal de mano derecha y de 2da y 3era falanges distales en mano izquierda; pie derecho, pérdida de falanges medias y distales; en pie izquierdo ausencia de todas las falanges distales. Ecocardiograma normal. La tomografía axial computada simple de cráneo reveló: microftalmía derecha, encefalocele frontoparietal y megaventrículo derecho. La ABC con placa atrésica mixta se confirmó por tomografía axial computada, realizándose corrección vía endoscópica a los 10 meses de edad.\n \n", "section_annotation": { "gold": [ { "end_offset": 39, "label": "PRESENT_ILLNESS", "segment": "Paciente masculino de 45 días de edad, ", "start_offset": 0 }, { "end_offset": 133, "label": "PAST_MEDICAL_HISTORY", "segment": "producto de la tercera gestación de madre de 34 y padre de 40 años de edad, no consanguíneos; ", "start_offset": 39 }, { "end_offset": 461, "label": "FAMILY_HISTORY", "segment": "con dos hermanos aparentemente sanos; sin antecedentes familiares de importancia. Durante todo el embarazo la madre cursó con tos productiva, persistente, sin predominio de horario, tratada con nebulizaciones con salbutamol y, en el segundo trimestre de gestación, con infecciones vaginales reiteradas cuyo manejo se desconoce. ", "start_offset": 133 }, { "end_offset": 862, "label": "PAST_MEDICAL_HISTORY", "segment": "El producto fue obtenido por cesárea a las 36 semanas de gestación; peso: 2800 g, con atresia bilateral de coanas (ABC), encefalocele, hidrocefalia, microftalmía derecha y restos de bandas de constricción oscuras en dedos de manos y pies; sin datos de las características de la placenta. Al 5to día de vida se le colocó válvula de derivación ventriculoperitoneal y se realizó plastia de encefalocele; ", "start_offset": 461 }, { "end_offset": 912, "label": "PRESENT_ILLNESS", "segment": "a las dos semanas desarrolla neumonía nosocomial. ", "start_offset": 862 }, { "end_offset": 2487, "label": "EXPLORATION", "segment": "A la exploración física actual, peso: 3150 g (percentil 3); talla: 52 cm (percentil 20); plagiocefalia frontotemporal izquierda, dolicocefalia, cicatriz de plastia en región occipital de 10 cm de longitud y válvula de pudens en región temporal derecha, frontal prominente; ausencia de cejas; microftalmía derecha; puente nasal deprimido; hiperplasia gingival; paladar ojival; pectus excavatum; hernia umbilical; marca de constricción circular por bandas en región distal de antebrazo derecho y dedos 2, 3 y 4; además de aplasia ungueal y acrosindactilia de éstos; mano izquierda con marca de constricción circular por bandas en 4to dedo y acrosindactilia con ausencia ungueal de dedos 2do y 3ro; pie derecho con acrosindactilia de dedos 2do y 3ro; pie izquierdo ausencia de dedos 1ro, 2do y 3ro, acrosindactilia y marca de banda de constricción de 5to dedo.\n \n Los estudios de laboratorio se encontraron dentro de parámetros normales; el cariotipo con resolución de 550 bandas y técnica de bandeo G en 40 metafases se informó: 46, XY; en las radiografías se observó ausencia de la 2da falange distal de mano derecha y de 2da y 3era falanges distales en mano izquierda; pie derecho, pérdida de falanges medias y distales; en pie izquierdo ausencia de todas las falanges distales. Ecocardiograma normal. La tomografía axial computada simple de cráneo reveló: microftalmía derecha, encefalocele frontoparietal y megaventrículo derecho. La ABC con placa atrésica mixta se confirmó por tomografía axial computada, realizándose corrección vía endoscópica a los 10 meses de edad.\n \n", "start_offset": 912 } ] } }
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Como antecedentes se destacaban un embarazo controlado y normal; serologías negativas para virus de la hepatitis B y C, virus de la inmunodeficiencia humana, sífilis y toxoplasma; frotis vaginal negativo para Streptococcus grupo B; ruptura espontánea de membranas intraparto, parto instrumental con fórceps a las 41 semanas de gestación y peso al nacimiento de 3880 g. La prueba de Apgar fue al minuto de 8 y a los 5 minutos de 9, sin requerir reanimación. Comenzó su esquema de inmunización. Alimentación con lactancia materna exclusiva. Respecto a los antecedentes familiares, los padres refirieron haber padecido amigdalitis los días previos. La exploración física mostró decaimiento y regular perfusión periférica con constantes vitales normales, sin que se objetivasen signos de foco. La analítica inicial mostró una determinación de proteína C reactiva cuantitativa (PC-R) 133,4 mg/L, con un hemograma coagulado y un sedimento de orina normal. La punción lumbar resultó hemorrágica. Ingresó con diagnóstico de síndrome febril sin foco y se inició antibioterapia empírica con ampicilina y cefotaxima intravenosas tras la toma de cultivos. En el hemograma repetido se observaron 5800 leucocitos/mm3, con fórmula normal, 13,4 g/dl de hemoglobina, 32 000 plaquetas/mm3. A las 18 h del ingreso empeoró su estado general y presentó crisis convulsivas generalizadas que requirieron tratamiento con fenobarbital y perfusión de midazolam. En la evolución desarrolló afectación sistémica con hipotensión arterial, acidosis metabólica, hiponatremia, oliguria y plaquetopenia grave; requirió ventilación mecánica convencional, transfusión de hemoderivados, soporte inotrópico con dopamina y diurético con furosemida. El tercer día del ingreso se informó el aislamiento en el hemocultivo de Streptococcus pyogenes sensible a penicilina, por lo que se suspendió la ampicilina y se mantuvo el tratamiento con cefotaxima intravenosa. Tras su estabilización presentó mejoría clínica y analítica, que permitió suspender el tratamiento inotrópico a las 48 h y realizar extubación al cuarto día. No se repitieron las crisis clínicas y el electroencefalograma fue normal, por lo cual se suspendió el tratamiento anticomicial. Se repitió la punción lumbar sin éxito. La ecografía cerebral y la angiorresonancia iniciales mostraron hemorragia intraventricular con discreta ventriculomegalia y lesiones hemisféricas cortico-subcorticales bilaterales, compatibles con meningoencefalitis. No superó el tamizaje auditivo realizado durante el ingreso mediante la técnica de exploración de potenciales provocados auditivos de tronco cerebral automatizados (PEATC-A > 40 dB). En las ecografías cerebrales de control presentó buena evolución sin aumento de la dilatación ventricular.\n \n A los 34 días de vida, después de completar 21 días de tratamiento con cefotaxima, se otorgó el alta hospitalaria con una exploración neurológica normal, excepto una leve hipotonía de eje. Se realizó seguimiento por especialistas de las unidades de rehabilitación, otorrinolaringología y neurología; al año de vida, no presentaba patología auditiva ni neurológica residual.\n", "section_annotation": { "gold": [ { "end_offset": 160, "label": "PRESENT_ILLNESS", "segment": "Presentamos un recién nacido de 12 días de vida que acudió al servicio de urgencias por fiebre de 38,5ºC de una hora de evolución y rechazo de la alimentación. 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] }, "note_id": "S0325-00752011000500016-1", "note_text": "Paciente de 16 años de edad, de sexo masculino, sin antecedentes patológicos de importancia, que comienza hace un mes con cuadro de astenia, adinamia y pérdida de peso, al que se agrega 48 h atrás erección peneana persistente, con dolor moderado, por lo que consulta en el hospital zonal, donde le indican analgésicos y medios físicos citándose a las 24 h para control. Al día siguiente concurre a dicho hospital, donde por continuar con erección peneana y palidez generalizada deciden realizar estudios de laboratorio que muestran: plaquetopenia (plaquetas 60 000/mm3), anemia (hematócrito 12%) e hiperleucocitosis (glóbulos blancos 312 000/mm3) y LDH 2056 UI/ml, por lo que se decide su internación y se solicita su derivación a un centro de mayor complejidad. A su ingreso al Hospital Posadas se constata paciente en regular estado general, palidez cutáneomucosa, fiebre y equimosis en miembros inferiores. Se palpa esplenomegalia. Se observa pene erecto con cambios en la coloración de la piel del cuerpo, palidez y leve cianosis del glande. Se realiza interconsulta con urología, quien realiza drenaje de cuerpos cavernosos con solución fisiológica y adrenalina; el procedimiento arroja sangre oscura y coagulada. Por presentar registro febril, se realizan hemocultivos x 2 y se decide iniciar tratamiento empírico con ceftazidima-amikacina y transfundir glóbulos rojos desplasmatizados. El paciente evoluciona en mal estado general, con dificultad respiratoria creciente, por lo cual se lo traslada a terapia intensiva. Se realiza diagnóstico de leucemia mieloide crónica por biopsia de medula ósea y presencia de blastos en sangre periférica. Se descartan otros diagnósticos, como la anemia de células falciforme, por no presentar depranocitos en frotis de sangre periférica; causa medicamentosa, por no presentar ingesta de medicamentos; causa traumática, por falta de traumatismos previos en el pene; asimismo, se descartan tumores sólidos genitourinarios y enfermedades neurológicas e infecciosas. 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"note_text": "Una niña de 9 años de edad con cirrosis fue derivada a nuestro centro para evaluación de trasplante hepático. Se presentó con un cuadro referido como de reciente comienzo, aunque por el examen físico y los resultados de estudios se trataba de una hepatopatía crónica. Presentaba estigmas de cronicidad como eritema palmar, telangiectasias, circulación colateral en pared abdominal y esplenomegalia. En la ecografía abdominal se constató un hígado de pequeño tamaño con heterogeneidad y bazo con diámetro longitudinal aumentado. No recibía medicación antes de la admisión en nuestro hospital. En un contexto social complejo y con poca percepción de la enfermedad, la familia no había consultado previamente. Tampoco tenía seguimiento periódico en salud. Al ingreso, el puntaje de gravedad PELD (Pediatric End-Stage Liver Disease, hepatopatía terminal pediátrica) era de 24, con bilirrubina de 15 mg/dl, un valor de relación internacional normalizada (RIN) de 2,5, albúmina de 2,5 g/dl; su peso y talla eran de 30 kg y 127 cm, respectivamente. Mientras esperaba en lista de trasplante hepático, desarrolló encefalopatía hepática espontánea, de tipo C, grado II-III1 con períodos de conducta inapropiada que alternaban con confusión y excitación. Previamente, no había presentado episodios de encefalopatía. Su amonio sérico aumentó de 139 µg% a 324 µg% (valor normal de referencia 19-82 µg%). Se descartaron factores precipitantes conocidos de encefalopatía hepática, como medicaciones, sangrado gastrointestinal, infecciones bacterianas, constipación, fallo renal, desequilibrios electrolíticos, hipovolemia o hipoxemia. La paciente no tenía antecedentes de ascitis y una ecografía no mostró líquido libre abdominal. Se indicó una dieta con restricción de proteínas (0,8 g/kg/día) y lactulosa por vía oral (40 ml/día, divididos en 4 tomas), logrando 3-4 deposiciones blandas por día. A pesar de estas medidas, el estado neurológico no mejoró luego de 4 días. Sobre la base de experiencias en pacientes adultos, se decidió agregar rifaximina (20 mg/kg/día, por vía oral, divididos en dos tomas), con previa firma del consentimiento informado por parte de los padres. La paciente mostró mejoría clínica en 3 días, sin confusión ni excitación y con ritmo sueño/ vigilia normal. La concentración de amonio descendió gradualmente (236 µg% y 162 µg%, 4 y 10 días luego de iniciado el tratamiento, respectivamente). No presentó cefaleas, dolor abdominal, náuseas ni vómitos relacionados con el tratamiento con rifaximina. Finalmente, la paciente recibió trasplante hepático pasado un mes del tratamiento con rifaximina, sin complicaciones.\n", "section_annotation": { "gold": [ { "end_offset": 40, "label": "PRESENT_ILLNESS", "segment": "Una niña de 9 años de edad con cirrosis ", "start_offset": 0 }, { "end_offset": 110, "label": "DERIVED_FROM/TO", "segment": "fue derivada a nuestro centro para evaluación de trasplante hepático. 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En el examen se destacaba un regular estado general, con cianosis y frialdad de las extremidades, así como hipotonía y escasa respuesta a los estímulos. Las constantes vitales (frecuencia cardíaca, frecuencia respiratoria, tensión arterial) y la saturación de oxígeno respirando aire ambiente se encontraban en rangos normales; la temperatura rectal era de 38,6ºC. Ante la sospecha inicial de un cuadro séptico, se inició expansión volumétrica y, después de practicar un estudio analítico y de obtener muestras para cultivo, se comenzó con el tratamiento antibiótico empírico. En las dos horas sucesivas al ingreso, presentó una mejoría clínica llamativa, con recuperación del tono muscular y reactividad a los estímulos normales, así como buena perfusión tisular, observándose un lactante asintomático y con examen físico normal. Tanto el despistaje infeccioso inicial como los diversos cultivos obtenidos de la sangre, la orina y el líquido cefalorraquídeo resultaron negativos, por lo que se replanteó el diagnóstico inicial de sepsis y se atribuyó el episodio a un posible efecto adverso de la vacuna acelular contra la tos ferina. Siguiendo las recomendaciones del Comité de Enfermedades Infecciosas de la Academia Estadounidense de Pediatría y, ante la ausencia de contraindicaciones absolutas, se administró la dosis correspondiente a la vacunación de los 4 meses bajo observación hospitalaria, sin que se presentaran manifestaciones clínicas en las 48 horas siguientes.\n", "section_annotation": { "gold": [ { "end_offset": 24, "label": "PRESENT_ILLNESS", "segment": "Un lactante de 2 meses, ", "start_offset": 0 }, { "end_offset": 127, "label": "PAST_MEDICAL_HISTORY", "segment": "sin antecedentes de interés y con un estado de vacunación según el calendario (primera dosis de HBV),2 ", "start_offset": 24 }, { "end_offset": 416, "label": "PRESENT_ILLNESS", "segment": "después de 8 horas de recibir la vacuna correspondiente a su edad en el subsector privado (vacuna séxtuple [DTPa, Hib, IPV, HB] y meningocócica C), fue llevado a la consulta al Servicio de Urgencias por la instauración brusca de palidez cutánea acompañada de hipotonía e hiporreactividad. 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", "start_offset": 781 }, { "end_offset": 1247, "label": "EVOLUTION", "segment": "En las dos horas sucesivas al ingreso, presentó una mejoría clínica llamativa, con recuperación del tono muscular y reactividad a los estímulos normales, así como buena perfusión tisular, observándose un lactante asintomático y con examen físico normal. ", "start_offset": 993 }, { "end_offset": 1552, "label": "EXPLORATION", "segment": "Tanto el despistaje infeccioso inicial como los diversos cultivos obtenidos de la sangre, la orina y el líquido cefalorraquídeo resultaron negativos, por lo que se replanteó el diagnóstico inicial de sepsis y se atribuyó el episodio a un posible efecto adverso de la vacuna acelular contra la tos ferina. ", "start_offset": 1247 }, { "end_offset": 1894, "label": "TREATMENT", "segment": "Siguiendo las recomendaciones del Comité de Enfermedades Infecciosas de la Academia Estadounidense de Pediatría y, ante la ausencia de contraindicaciones absolutas, se administró la dosis correspondiente a la vacunación de los 4 meses bajo observación hospitalaria, sin que se presentaran manifestaciones clínicas en las 48 horas siguientes.\n", "start_offset": 1552 } ] } }
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bordes definidos, con centro más pálido en el rostro, los miembros superiores, de aspecto reticulado en miembros inferiores y dorso de 1 mes de evolución. Hepatoesplenomegalia.\n \n Madre y abuela materna con diagnóstico de Lupus Eritematoso sistémico (LES)\n Exámenes complementarios: Hb 10g/dl, Hto 30%, GPT 78 UI/L, C3 53 mg/dl y C4 3mg/dl, FAN+ 1/100, acs. anti Ro, anti La, anti Sm y anti U1RNP negativos.\n Estudio histopatológico: hiperqueratosis, atrofia epidérmica, vacuolización de queratinocitos basales e infiltrado difuso mononuclear en dermis superficial. Inmunofluorescencia directa (IFD): banda segmentaria dermoepidérmica de disposición granular fina IgG+ y C3+.\n Valoración cardiológica normal.\n Tratamiento: hidrocortisona 1% crema.\n Resolución de las lesiones cutáneas, negativización del FAN y normalización del hepatograma a los 6 meses de vida.\n", "section_annotation": { "gold": [ { "end_offset": 239, "label": "PRESENT_ILLNESS", "segment": "Niño de 3 meses con lesiones eritematosas, redondeadas, de bordes definidos, con centro más pálido en el rostro, los miembros superiores, de aspecto reticulado en miembros inferiores y dorso de 1 mes de evolución. 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Se observaba que, para cambiar la dirección de la mirada, la niña se veía obligada a realizar unos movimientos bruscos laterales de la cabeza con los que arrastraba sus ojos al nuevo objeto. Se realizó la exploración oftalmológica habitual para buscar alteraciones que justificasen esa dificultad: la motilidad ocular, BMC y F.O. fueron normales. Se siguió con la exploración neurooftalmológica: el reflejo optocinético aparecía alterado en su fase rápida (disminuida o ausente) en el plano horizontal. Los potenciales evocados visuales (P.E.V.) fueron normales. No se realizó electrorretinograma (ERG) dada la corta edad de la paciente. La exploración neurológica evidenciaba hipertonía de miembros inferiores con hiperreflexia. Las exploraciones encaminadas a detectar procesos neurológicos o sistémicos (EEG, RM cerebral, aminoácidos en sangre, orina y LCR, amoníaco, ácido pirúvico en sangre y LCR, ácidos grasos de cadena larga, serología TORCH) resultaron normales. Sólo se encontró ácido láctico en sangre y proteínas en LCR levemente altas, sin demostrarse enfermedad. Por PCR se amplificó virus del herpes humano tipo 6 (HHV-6), del que no se han descrito asociaciones con apraxia oculomotora.\n Fue diagnosticada de C.O.M.A. con signos de afectación piramidal bilateral inespecífica.\n", "section_annotation": { "gold": [ { "end_offset": 41, "label": "PRESENT_ILLNESS", "segment": "La paciente, una niña de 4 meses de edad ", "start_offset": 0 }, { "end_offset": 146, "label": "DERIVED_FROM/TO", "segment": "estudiada por retraso psicomotor, fue remitida a la sección de motilidad por déficit de fijación ocular. ", "start_offset": 41 }, { "end_offset": 1439, "label": "EXPLORATION", "segment": "Se observaba que, para cambiar la dirección de la mirada, la niña se veía obligada a realizar unos movimientos bruscos laterales de la cabeza con los que arrastraba sus ojos al nuevo objeto. Se realizó la exploración oftalmológica habitual para buscar alteraciones que justificasen esa dificultad: la motilidad ocular, BMC y F.O. fueron normales. Se siguió con la exploración neurooftalmológica: el reflejo optocinético aparecía alterado en su fase rápida (disminuida o ausente) en el plano horizontal. Los potenciales evocados visuales (P.E.V.) fueron normales. No se realizó electrorretinograma (ERG) dada la corta edad de la paciente. La exploración neurológica evidenciaba hipertonía de miembros inferiores con hiperreflexia. Las exploraciones encaminadas a detectar procesos neurológicos o sistémicos (EEG, RM cerebral, aminoácidos en sangre, orina y LCR, amoníaco, ácido pirúvico en sangre y LCR, ácidos grasos de cadena larga, serología TORCH) resultaron normales. Sólo se encontró ácido láctico en sangre y proteínas en LCR levemente altas, sin demostrarse enfermedad. Por PCR se amplificó virus del herpes humano tipo 6 (HHV-6), del que no se han descrito asociaciones con apraxia oculomotora.\n Fue diagnosticada de C.O.M.A. con signos de afectación piramidal bilateral inespecífica.\n", "start_offset": 146 } ] } }
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Como antecedentes personales de interés presenta una hipertensión arterial en tratamiento y drenaje quirúrgico de los senos etmoidales por sinusitis en su juventud. Presenta una agudeza visual (AV) de 0,3 en ambos ojos. Esta visión estaba justificada por la existencia de cataratas y además tenía una obstrucción bilateral de la vía lagrimal. Se realizó una dacriocistografía izquierda y posteriormente se le implantó una prótesis recta de Wacrees sin complicaciones.\n A las 24 horas comienzó una inflamación palpebral y dolor en región orbitaria izquierda. Tras 48 horas refirió pérdida brusca de agudeza visual del OI con mal estado general y febrícula (37,6º). A las 72 horas acudió a urgencias, presentando una visión de movimiento de manos a 50 cms, marcado exoftalmos con clínica inflamatoria periocular, oftalmoplejia con dolor a los movimientos oculares y en la biomicroscopía midriasis paralítica en el OI con anestesia corneal. Oftalmoscópicamente la papila era de aspecto normal con pulso venoso espontáneo negativo. En el hemograma de urgencias presentaba leucocitosis con desviación izquierda. El TAC craneal realizado era compatible con celulitis orbitaria OI. 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ojo derecho (OD) y 1 en ojo izquierdo (OI). En la biomicroscopía destacaba una ingurgitación vascular con edema y engrosamiento escleral temporal superior en el OD compatible con el diagnóstico de escleritis anterior difusa severa. El resto de la exploración oftalmológica fue normal en AO. Se inició tratamiento esteroideo oral con prednisona a dosis de 1 mg/kg/día, manteniendo el resto del tratamiento, sin obtener mejoría clínica tras tres semanas de seguimiento. Una vez realizadas una radiografía de tórax y un test de Mantoux que fueron negativos, se decidió la administración de Infliximab (Remicade®, Schering-Plough, Welwyn Garden City, UK) en tres dosis intravenosas de 3 mg/kg/día en las semanas 0,2 y 6. Tras la segunda dosis se objetivó una reducción de la ingurgitación vascular y del edema escleral y tras la tercera se obtuvo una desaparición completa de la inflamación escleral, quedando un cierto adelgazamiento residual con transparencia del tejido uveal subyacente. Paralelamente, se observó una mejoría en los signos y síntomas articulares, con una disminución de la actividad global de la enfermedad representada por el Disease Activity Score (DAS 28), obteniéndose una mejoría de un 40% en el DAS 28.\n Tras un período de seguimiento de 6 meses no se han detectado recidivas en la inflamación escleral. La agudeza visual es de 1 en ambos ojos (AO). La paciente sigue en la actualidad tratamiento sistémico únicamente con prednisona 7,5 mg/día, leflunomida y AINEs.\n", "section_annotation": { "gold": [ { "end_offset": 25, "label": "PRESENT_ILLNESS", "segment": "Mujer de 48 años de edad ", "start_offset": 0 }, { "end_offset": 161, "label": "PAST_MEDICAL_HISTORY", "segment": "con artritis reumatoide de 10 años de evolución en tratamiento con leflunomida, deflazacort y antiinflamatorios no esteroideos (AINEs), ", "start_offset": 25 }, { "end_offset": 354, "label": "DERIVED_FROM/TO", "segment": "es remitida a la Unidad de Inflamación Ocular por cuadro de ojo derecho rojo y doloroso de dos semanas de evolución asociado a empeoramiento clínico y de laboratorio de la enfermedad de base.\n ", "start_offset": 161 }, { "end_offset": 685, "label": "EXPLORATION", "segment": "La agudeza visual inicial era de 0,6 en ojo derecho (OD) y 1 en ojo izquierdo (OI). 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"S0365-66912004001000007-1", "note_text": "Se trata de paciente masculino de 29 años, con antecedente de herida corneal postraumática en ojo izquierdo (OI), suturada el mismo día del accidente, sin cuerpo extraño intraocular, y tratada con antibióticos, ciclopléjicos y esteroides tópicos y sistémicos. Al suspender los esteroides, presentó disminución de la agudeza visual del ojo no traumatizado, por lo que se reinició la administración de prednisona vía oral y se envió a nuestra institución con el diagnóstico de oftalmía simpática.\n A su ingreso, un mes y medio después del traumatismo, el paciente refería disminución de la agudeza visual (AV) del ojo derecho (OD) de 21 días de evolución y un escotoma central relativo en AO. A la exploración oftalmológica se encontró una AV de 20/60 OD y 20/400 OI, presión intraocular de 11 mmHg OD y 12 mmHg OI. El OD presentaba además células de pigmento 1/2 + en la cámara anterior, sin flare. El segmento anterior del OI presentaba conjuntiva hiperémica, herida corneal suturada con leucoma temporal, sinequias posteriores y opacidad subcapsular posterior +. La funduscopia del OD mostraba pliegues en la mácula y dos lesiones blanco amarillentas con líquido subretiniano; el OI tenía tres lesiones de características similares, sin signos de panuveítis bilateral. El tratamiento que recibía consistía en prednisona 75 mg/día po, acetato de prednisolona 1% cada 2 h, ciclopentolato 1% bid, fenilefrina 10% bid.\n El aspecto clínico hizo sospechar el diagnóstico de CSC. Se solicitaron ecografía y estudio angiográfico. La ecografía evidenció un desprendimiento de la hialoides posterior en el OD y DRS en área macular en el OI; el grosor coroideo era normal en AO. El estudio angiográfico mostró dos zonas de hiperfluorescencia que aumentaban progresivamente en el OD y tres lesiones similares en el OI.\n \n El diagnóstico definitivo fue de CSC bilateral de focos múltiples. Se suspendió el tratamiento con ciclopléjicos y se redujeron rápidamente los esteroides tópicos y sistémicos. Un mes más tarde la agudeza visual era de 1 OD y 0,2 OI; el aspecto clínico del fondo de ojo mostraba las lesiones pigmentadas sin líquido subretiniano en AO.\n", "section_annotation": { "gold": [ { "end_offset": 43, "label": "PRESENT_ILLNESS", "segment": "Se trata de paciente masculino de 29 años, ", "start_offset": 0 }, { "end_offset": 260, "label": "PAST_MEDICAL_HISTORY", "segment": "con antecedente de herida corneal postraumática en ojo izquierdo (OI), suturada el mismo día del accidente, sin cuerpo extraño intraocular, y tratada con antibióticos, ciclopléjicos y esteroides tópicos y sistémicos. ", "start_offset": 43 }, { "end_offset": 496, "label": "DERIVED_FROM/TO", "segment": "Al suspender los esteroides, presentó disminución de la agudeza visual del ojo no traumatizado, por lo que se reinició la administración de prednisona vía oral y se envió a nuestra institución con el diagnóstico de oftalmía simpática.\n ", "start_offset": 260 }, { "end_offset": 1270, "label": "EXPLORATION", "segment": "A su ingreso, un mes y medio después del traumatismo, el paciente refería disminución de la agudeza visual (AV) del ojo derecho (OD) de 21 días de evolución y un escotoma central relativo en AO. A la exploración oftalmológica se encontró una AV de 20/60 OD y 20/400 OI, presión intraocular de 11 mmHg OD y 12 mmHg OI. El OD presentaba además células de pigmento 1/2 + en la cámara anterior, sin flare. El segmento anterior del OI presentaba conjuntiva hiperémica, herida corneal suturada con leucoma temporal, sinequias posteriores y opacidad subcapsular posterior +. La funduscopia del OD mostraba pliegues en la mácula y dos lesiones blanco amarillentas con líquido subretiniano; el OI tenía tres lesiones de características similares, sin signos de panuveítis bilateral. ", "start_offset": 496 }, { "end_offset": 1417, "label": "TREATMENT", "segment": "El tratamiento que recibía consistía en prednisona 75 mg/día po, acetato de prednisolona 1% cada 2 h, ciclopentolato 1% bid, fenilefrina 10% bid.\n ", "start_offset": 1270 }, { "end_offset": 1878, "label": "EXPLORATION", "segment": "El aspecto clínico hizo sospechar el diagnóstico de CSC. Se solicitaron ecografía y estudio angiográfico. La ecografía evidenció un desprendimiento de la hialoides posterior en el OD y DRS en área macular en el OI; el grosor coroideo era normal en AO. El estudio angiográfico mostró dos zonas de hiperfluorescencia que aumentaban progresivamente en el OD y tres lesiones similares en el OI.\n \n El diagnóstico definitivo fue de CSC bilateral de focos múltiples. ", "start_offset": 1417 }, { "end_offset": 1988, "label": "TREATMENT", "segment": "Se suspendió el tratamiento con ciclopléjicos y se redujeron rápidamente los esteroides tópicos y sistémicos. ", "start_offset": 1878 }, { "end_offset": 2147, "label": "EVOLUTION", "segment": "Un mes más tarde la agudeza visual era de 1 OD y 0,2 OI; el aspecto clínico del fondo de ojo mostraba las lesiones pigmentadas sin líquido subretiniano en AO.\n", "start_offset": 1988 } ] } }
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En la primera visita la exploración pediátrica general era buena y no presentó anomalías neurológicas. En la exploración oftalmológica, se apreciaba proptosis e hipertropia del OD con franca asimetría facial. Con la palpación de la región fronto-temporal el niño tenía dolor. El segmento anterior del OD explorado con linterna era aparentemente normal. La motilidad intrínseca fue normal mientras la motilidad extrínseca presentaba limitación en la abducción y descenso del OD. La resonancia magnética nuclear (RMN) demostró una lesión infiltrante que desplazaba el globo ocular hacia arriba con destrucción de la pared orbitaria lateral y múltiples lesiones en sacabocado en la calota craneal. Otros estudios radiológicos demostraron lesiones semejantes en las vértebras y en los huesos largos de las piernas. Las pruebas hematológicas y bioquímicas mostraron valores normales. Una biopsia ósea del fémur demostró células de Langerhans con infiltrado inflamatorio y el estudio immunohistológico para la proteína S100 (indica su origen en la cresta neural) y para las proteínas de superficie CD68 (proteína lisosomal que se expresa en macrófagos y en células dendríticas inmaduras) y CD1a (glicoproteína de membrana de 49 KDa que se expresa en asociación a ß2 microglobulinas) confirmó el diagnóstico de histiocitosis de Langerhans. Dos meses más tarde el niño estaba hipersomnoliento día y noche con ingesta excesiva de líquidos. En una nueva RMN se apreció una lesión infiltrante que afectaba a la zona hipotálamo-hipofisaria con lo que se añadió el diagnóstico de diabetes insípida.\n \n", "section_annotation": { "gold": [ { "end_offset": 102, "label": "PRESENT_ILLNESS", "segment": "Niño de 20 meses enviado para evaluar un exoftalmos en el ojo derecho (OD) de 6 semanas de evolución. 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Una biopsia ósea del fémur demostró células de Langerhans con infiltrado inflamatorio y el estudio immunohistológico para la proteína S100 (indica su origen en la cresta neural) y para las proteínas de superficie CD68 (proteína lisosomal que se expresa en macrófagos y en células dendríticas inmaduras) y CD1a (glicoproteína de membrana de 49 KDa que se expresa en asociación a ß2 microglobulinas) confirmó el diagnóstico de histiocitosis de Langerhans. ", "start_offset": 102 }, { "end_offset": 1533, "label": "EVOLUTION", "segment": "Dos meses más tarde el niño estaba hipersomnoliento día y noche con ingesta excesiva de líquidos. ", "start_offset": 1435 }, { "end_offset": 1690, "label": "EXPLORATION", "segment": "En una nueva RMN se apreció una lesión infiltrante que afectaba a la zona hipotálamo-hipofisaria con lo que se añadió el diagnóstico de diabetes insípida.\n \n", "start_offset": 1533 } ] } }
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Un año después se le realizó una capsulotomía en el ojo derecho con láser YAG. En 2003 presentó un DR en el OD, intervenido mediante vitrectomía e inyección de aceite de silicona (AS), que se retiró seis meses después.\n En mayo de 2004 presentó un episodio de disminución brusca de visión y dolor en el OD. En urgencias se objetivó una agudeza visual (AV) de 0,1, un tyndall de 3+, una cámara anterior amplia y una presión intraocular (PIO) de 48 mmHg. En la exploración del fondo de ojo la retina estaba aplicada, la excavación papilar era de 0,8, y no había restos de silicona en el polo posterior. Se pautó tratamiento con dexametasona alcohol (maxidex®; Alcon Cusí, S. A.; Barcelona; España) 1 gota cada 2 horas, atropina 1% cada 12 horas, maleato de timolol 0,5% (timoftol® 0,5%; Merck Sharp & Dohme, S.A.; Madrid; España) cada 12 horas y acetazolamida vía oral (edemox®; Chiesi Wasserman S. A.; Barcelona; España) 250 mg cada 12 horas.\n Una semana después acudió a nuestra consulta sin mejoría a pesar del tratamiento. A la exploración la AV se mantenía en 0,1 y la PIO en 33 mmHg. En la figura 1 se muestra el aspecto del segmento anterior. Lo que inicialmente se habían identificado como células inflamatorias resultaron ser microburbujas de aceite de silicona emulsificadas en cámara anterior, responsables del glaucoma secundario.\n Ante la falta de respuesta al tratamiento médico se planteó la implantación de un dispositivo de drenaje que la paciente rechazó, no acudiendo a las revisiones citadas posteriormente.\n", "section_annotation": { "gold": [ { "end_offset": 18, "label": "PRESENT_ILLNESS", "segment": "Mujer de 53 años, ", "start_offset": 0 }, { "end_offset": 323, "label": "PAST_MEDICAL_HISTORY", "segment": "miope magna, intervenida de cristalino transparente en ambos ojos, en junio de 2000. Un año después se le realizó una capsulotomía en el ojo derecho con láser YAG. En 2003 presentó un DR en el OD, intervenido mediante vitrectomía e inyección de aceite de silicona (AS), que se retiró seis meses después.\n ", "start_offset": 18 }, { "end_offset": 410, "label": "PRESENT_ILLNESS", "segment": "En mayo de 2004 presentó un episodio de disminución brusca de visión y dolor en el OD. ", "start_offset": 323 }, { "end_offset": 704, "label": "EXPLORATION", "segment": "En urgencias se objetivó una agudeza visual (AV) de 0,1, un tyndall de 3+, una cámara anterior amplia y una presión intraocular (PIO) de 48 mmHg. En la exploración del fondo de ojo la retina estaba aplicada, la excavación papilar era de 0,8, y no había restos de silicona en el polo posterior. ", "start_offset": 410 }, { "end_offset": 1046, "label": "TREATMENT", "segment": "Se pautó tratamiento con dexametasona alcohol (maxidex®; Alcon Cusí, S. A.; Barcelona; España) 1 gota cada 2 horas, atropina 1% cada 12 horas, maleato de timolol 0,5% (timoftol® 0,5%; Merck Sharp & Dohme, S.A.; Madrid; España) cada 12 horas y acetazolamida vía oral (edemox®; Chiesi Wasserman S. A.; Barcelona; España) 250 mg cada 12 horas.\n ", "start_offset": 704 }, { "end_offset": 1128, "label": "EVOLUTION", "segment": "Una semana después acudió a nuestra consulta sin mejoría a pesar del tratamiento. ", "start_offset": 1046 }, { "end_offset": 1445, "label": "EXPLORATION", "segment": "A la exploración la AV se mantenía en 0,1 y la PIO en 33 mmHg. En la figura 1 se muestra el aspecto del segmento anterior. Lo que inicialmente se habían identificado como células inflamatorias resultaron ser microburbujas de aceite de silicona emulsificadas en cámara anterior, responsables del glaucoma secundario.\n ", "start_offset": 1128 }, { "end_offset": 1629, "label": "TREATMENT", "segment": "Ante la falta de respuesta al tratamiento médico se planteó la implantación de un dispositivo de drenaje que la paciente rechazó, no acudiendo a las revisiones citadas posteriormente.\n", "start_offset": 1445 } ] } }
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dolorosa, caliente y de consistencia dura, con limitación de la mirada vertical en los últimos dos meses.\n Como antecedentes, refería carcinoma mixto ductal lobulillar infiltrante multifocal y multicéntrico (carcinoma escirro, T4 N3 M0) de la mama izquierda siete años antes, por lo que fue sometida a mastectomía radical modificada tipo Madden, disección axilar, y cuatro ciclos de quimioterapia (Epirrubicina 75 mg/m2), tras los cuales remitió la enfermedad no encontrándose restos de la misma en estudios de extensión.\n La agudeza visual era 7/10 con ambos ojos, cataratas nucleares +, presión intraocular OI de 24 mmHg y ojo derecho 14 mmHg. Fondo de ojo normal en ambos ojos. Presentaba un exoftalmos unilateral de 5 mm en OI.\n La tomografía axial computerizada mostró un aumento de densidad difusa de partes blandas, afectación de pared ósea, que desplazaba el nervio óptico y el globo ocular. La lesión se realzaba tras la administración de contraste.\n En la gammagrafía ósea con Tecnecio 99 se observaron múltiples metástasis por acúmulo de radiotrazador en calota, raquis, parrilla costal, húmeros y pelvis. Ante el mal estado general de la paciente rehusó la realización de una biopsia diagnóstica.\n La paciente inició tratamiento con quimioterapia, tres ciclos de Taxotere 100 mg/m2, un ciclo de Mitoxantrone 12 mg/m2 y dos ciclos de Vinorelbina 25 mg/m2, y esteroides (6-metil-prednisolona) (1 mg/m2) con el fin de reducir el edema y la congestión orbitaria. 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Fondo de ojo normal en ambos ojos. Presentaba un exoftalmos unilateral de 5 mm en OI.\n La tomografía axial computerizada mostró un aumento de densidad difusa de partes blandas, afectación de pared ósea, que desplazaba el nervio óptico y el globo ocular. La lesión se realzaba tras la administración de contraste.\n En la gammagrafía ósea con Tecnecio 99 se observaron múltiples metástasis por acúmulo de radiotrazador en calota, raquis, parrilla costal, húmeros y pelvis. Ante el mal estado general de la paciente rehusó la realización de una biopsia diagnóstica.\n ", "start_offset": 612 }, { "end_offset": 1560, "label": "TREATMENT", "segment": "La paciente inició tratamiento con quimioterapia, tres ciclos de Taxotere 100 mg/m2, un ciclo de Mitoxantrone 12 mg/m2 y dos ciclos de Vinorelbina 25 mg/m2, y esteroides (6-metil-prednisolona) (1 mg/m2) con el fin de reducir el edema y la congestión orbitaria. 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Clínicamente se encontró una masa pigmentada sobre la conjuntiva nasal que invadía parte de la córnea pero no afectaba el eje visual. A la exploración oftalmológica inicial, tenía una agudeza visual de 20/20 y una presión intraocular de 12 mmHg en ambos ojos. Tanto la biomicroscopía como la oftalmoscopía indirecta del ojo izquierdo (OI) fueron normales. La biomicroscopía del OD reveló una masa densamente pigmentada, elevada, de 9 x 4 mm., de bordes bien delimitados, localizada en el sector nasal de la conjuntiva bulbar y que invadía parte de la córnea. La masa se encontraba rodeada por algunos vasos nutricios prominentes. No hubo evidencia de melanosis adquirida primaria adyacente a la lesión. El resto de la exploración oftalmológica, incluyendo la fundoscopía, resultó normal.\n Se realizó una escisión completa de la lesión con márgenes quirúrgicos amplios. El examen macroscópico reveló una lesión con dimensiones de 8 x 4 x 3 mm, de forma nodular, superficie externa lisa, multilobulada, de color café negruzco y aspecto mucoso.\n El examen histopatológico demostró epitelio de revestimiento conjuntival con cambios de papilomatosis y acantosis irregular, esta última a expensas de proliferación de células basaloides, mismas que estaban mezcladas con pequeños grupos de células escamosas y algunos melanocitos dendríticos. La sustancia propia presentaba además, áreas con degeneración elastótica, vasos sanguíneos de pequeño calibre dilatados y cúmulos variables de infiltrado inflamatorio formados por linfocitos maduros, células plasmáticas y algunos melanófagos.\n Con estos hallazgos se estableció el diagnóstico de queratosis seborreica (QS) de la conjuntiva.\n \n", "section_annotation": { "gold": [ { "end_offset": 30, "label": "PRESENT_ILLNESS", "segment": "Hombre de 37 años de edad sin ", "start_offset": 0 }, { "end_offset": 58, "label": "PAST_MEDICAL_HISTORY", "segment": "antecedentes de importancia ", "start_offset": 30 }, { "end_offset": 144, "label": "PRESENT_ILLNESS", "segment": "quien desarrolló una masa conjuntival en el ojo derecho (OD) de 8 meses de evolución. ", "start_offset": 58 }, { "end_offset": 1823, "label": "EXPLORATION", "segment": "Clínicamente se encontró una masa pigmentada sobre la conjuntiva nasal que invadía parte de la córnea pero no afectaba el eje visual. A la exploración oftalmológica inicial, tenía una agudeza visual de 20/20 y una presión intraocular de 12 mmHg en ambos ojos. Tanto la biomicroscopía como la oftalmoscopía indirecta del ojo izquierdo (OI) fueron normales. La biomicroscopía del OD reveló una masa densamente pigmentada, elevada, de 9 x 4 mm., de bordes bien delimitados, localizada en el sector nasal de la conjuntiva bulbar y que invadía parte de la córnea. La masa se encontraba rodeada por algunos vasos nutricios prominentes. No hubo evidencia de melanosis adquirida primaria adyacente a la lesión. El resto de la exploración oftalmológica, incluyendo la fundoscopía, resultó normal.\n Se realizó una escisión completa de la lesión con márgenes quirúrgicos amplios. El examen macroscópico reveló una lesión con dimensiones de 8 x 4 x 3 mm, de forma nodular, superficie externa lisa, multilobulada, de color café negruzco y aspecto mucoso.\n El examen histopatológico demostró epitelio de revestimiento conjuntival con cambios de papilomatosis y acantosis irregular, esta última a expensas de proliferación de células basaloides, mismas que estaban mezcladas con pequeños grupos de células escamosas y algunos melanocitos dendríticos. La sustancia propia presentaba además, áreas con degeneración elastótica, vasos sanguíneos de pequeño calibre dilatados y cúmulos variables de infiltrado inflamatorio formados por linfocitos maduros, células plasmáticas y algunos melanófagos.\n Con estos hallazgos se estableció el diagnóstico de queratosis seborreica (QS) de la conjuntiva.\n \n", "start_offset": 144 } ] } }
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La agudeza visual (AV) tomada mediante el test de Snellen era 1 para su ojo derecho y 0,5 para su ojo izquierdo, mejorando este último a 1 con una corrección esférica de +1,5D.\n Tanto la motilidad ocular intrínseca como extrínseca, biomicroscopía anterior y tonometría del paciente eran normales.\n La funduscopia del ojo a estudio presentaba una masa yuxtapapilar de color rojo-anaranjado brillante, sobreelevada, bien delimitada. También se apreció una alteración del epitelio pigmentario en región macular así como una alteración de la capa de fibras nerviosas superiores e inferiores. La exploración oftalmoscópica del ojo adelfo presentaba asimismo una leve alteración de epitelio pigmentario. Se realizó una angiografía fluoresceínica que demostró el relleno de un árbol vascular intratumoral compuesto de finos capilares con exudación en tiempos tardíos, confirmando la primera sospecha de hemangioma capilar yuxtapapilar. Se observaron puntos de fuga en polo posterior de ambos ojos, sugestivos de retinopatía central serosa.\n Se realizó un campo visual SITA- Standard 24-2 (Zeiss-Humphrey Instruments, Dublin, CA) con visión corregida, estímulo III, hallándose un defecto infero-nasal del ojo izquierdo.\n Cuatro semanas más tarde, la visión del ojo izquierdo era de 0,6 corregida (+0.5 esf + 1 x 48 cil) 1; mientras que la visión del ojo derecho fue de 0,4 corregida (+0.5 esf +0.25 x 170 cil) 0,6. Una nueva angiografía fluoresceínica demostró que la disminución de agudeza visual del ojo derecho se debía a retinopatía central serosa.\n Ocho semanas después del inicio del cuadro se encontró una regresión espontánea tanto del hemangioma capilar yuxtapapilar como de la retinopatía central serosa bilateral, regresando la AV a la 1 difícil en ambos ojos.\n \n", "section_annotation": { "gold": [ { "end_offset": 136, "label": "PRESENT_ILLNESS", "segment": "Varón de 51 años que acudió al servicio de urgencias por disminución de agudeza visual de su ojo izquierdo de cinco días de evolución.\n ", "start_offset": 0 }, { "end_offset": 336, "label": "PAST_MEDICAL_HISTORY", "segment": "Como antecedentes personales el paciente presentaba diabetes mellitus no insulino dependiente de seis años de evolución, así como haber padecido un traumatismo contuso en el mismo ojo 15 años antes.\n ", "start_offset": 136 }, { "end_offset": 436, "label": "PRESENT_ILLNESS", "segment": "Refería un cuadro de pérdida de visión asintomático de cinco días de evolución de su ojo izquierdo. ", "start_offset": 336 }, { "end_offset": 1982, "label": "EXPLORATION", "segment": "La agudeza visual (AV) tomada mediante el test de Snellen era 1 para su ojo derecho y 0,5 para su ojo izquierdo, mejorando este último a 1 con una corrección esférica de +1,5D.\n Tanto la motilidad ocular intrínseca como extrínseca, biomicroscopía anterior y tonometría del paciente eran normales.\n La funduscopia del ojo a estudio presentaba una masa yuxtapapilar de color rojo-anaranjado brillante, sobreelevada, bien delimitada. También se apreció una alteración del epitelio pigmentario en región macular así como una alteración de la capa de fibras nerviosas superiores e inferiores. La exploración oftalmoscópica del ojo adelfo presentaba asimismo una leve alteración de epitelio pigmentario. Se realizó una angiografía fluoresceínica que demostró el relleno de un árbol vascular intratumoral compuesto de finos capilares con exudación en tiempos tardíos, confirmando la primera sospecha de hemangioma capilar yuxtapapilar. Se observaron puntos de fuga en polo posterior de ambos ojos, sugestivos de retinopatía central serosa.\n Se realizó un campo visual SITA- Standard 24-2 (Zeiss-Humphrey Instruments, Dublin, CA) con visión corregida, estímulo III, hallándose un defecto infero-nasal del ojo izquierdo.\n Cuatro semanas más tarde, la visión del ojo izquierdo era de 0,6 corregida (+0.5 esf + 1 x 48 cil) 1; mientras que la visión del ojo derecho fue de 0,4 corregida (+0.5 esf +0.25 x 170 cil) 0,6. Una nueva angiografía fluoresceínica demostró que la disminución de agudeza visual del ojo derecho se debía a retinopatía central serosa.\n ", "start_offset": 436 }, { "end_offset": 2202, "label": "EVOLUTION", "segment": "Ocho semanas después del inicio del cuadro se encontró una regresión espontánea tanto del hemangioma capilar yuxtapapilar como de la retinopatía central serosa bilateral, regresando la AV a la 1 difícil en ambos ojos.\n \n", "start_offset": 1982 } ] } }
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En el examen de fondo de ojo se objetivó la presencia de EMQ bilateral. En la angiografía fluoresceínica presentaba una epiteliopatía pigmentaria difusa con edema exudativo y desprendimientos retinianos serosos secundarios. A los 5 meses de edad, había sido tratada con éxito de una histiocitosis de células de Langerhans, por lo que se realizó un estudio sistémico completo, incluidas pruebas de imagen craneal y orbitarias. No se encontró ningún hallazgo significativo. Se inició terapia con corticosteroides tópicos, peribulbares y orales.\n Las inyecciones de triamcinolona peribulbar se repitieron en cuatro ocasiones a lo largo del siguiente año, logrando sólo mejorías transitorias del edema macular y los desprendimientos serosos. En septiembre de 2002, comenzó tratamiento con ciclosporina oral y en marzo de 2003 se añadió azatioprina, debido a la persistencia del EMQ. Finalmente, se inyectaron 4 mg de triamcinolona intravítrea en ambos ojos en julio de 2003 con mejoría inicial del EMQ y de la AV. Se repitieron las inyecciones dos veces en el OD y una vez más en el OI. En diciembre de 2004, se registraron PIO de 27 mmHg OD y 26 mmHg OI, por lo que se indica terapia tópica con timolol 0,5% y dorzolamida 0,02% (Cosopt®). En marzo de 2005, la paciente presenta pérdida de AV severa bilateral (<0,05) por desarrollo de cataratas intumescentes. Tras cirugía de facoextracción con implantación de lente intraocular sin complicaciones, la AV es de 0,3 en ambos ojos.\n \n", "section_annotation": { "gold": [ { "end_offset": 89, "label": "PRESENT_ILLNESS", "segment": "Niña de 13 años de edad que consultó por pérdida de AV en ambos ojos (0,1 OD y 0,2 OI ). ", "start_offset": 0 }, { "end_offset": 561, "label": "EXPLORATION", "segment": "En el examen de fondo de ojo se objetivó la presencia de EMQ bilateral. En la angiografía fluoresceínica presentaba una epiteliopatía pigmentaria difusa con edema exudativo y desprendimientos retinianos serosos secundarios. A los 5 meses de edad, había sido tratada con éxito de una histiocitosis de células de Langerhans, por lo que se realizó un estudio sistémico completo, incluidas pruebas de imagen craneal y orbitarias. No se encontró ningún hallazgo significativo. ", "start_offset": 89 }, { "end_offset": 1172, "label": "TREATMENT", "segment": "Se inició terapia con corticosteroides tópicos, peribulbares y orales.\n Las inyecciones de triamcinolona peribulbar se repitieron en cuatro ocasiones a lo largo del siguiente año, logrando sólo mejorías transitorias del edema macular y los desprendimientos serosos. En septiembre de 2002, comenzó tratamiento con ciclosporina oral y en marzo de 2003 se añadió azatioprina, debido a la persistencia del EMQ. Finalmente, se inyectaron 4 mg de triamcinolona intravítrea en ambos ojos en julio de 2003 con mejoría inicial del EMQ y de la AV. Se repitieron las inyecciones dos veces en el OD y una vez más en el OI. ", "start_offset": 561 }, { "end_offset": 1446, "label": "EXPLORATION", "segment": "En diciembre de 2004, se registraron PIO de 27 mmHg OD y 26 mmHg OI, por lo que se indica terapia tópica con timolol 0,5% y dorzolamida 0,02% (Cosopt®). En marzo de 2005, la paciente presenta pérdida de AV severa bilateral (<0,05) por desarrollo de cataratas intumescentes. ", "start_offset": 1172 }, { "end_offset": 1568, "label": "EVOLUTION", "segment": "Tras cirugía de facoextracción con implantación de lente intraocular sin complicaciones, la AV es de 0,3 en ambos ojos.\n \n", "start_offset": 1446 } ] } }
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náuseas y vómitos de 12 horas de evolución. A la exploración se objetiva una agudeza visual de 0,8 en ambos ojos y una midriasis bilateral arreactiva; el resto de la exploración, incluídas las papilas, es normal, salvo que presenta cámaras anteriores estrechas y unas presiones intraoculares de 65 y 58 mm Hg en cada ojo. Ante este cuadro se procede a tomar imágenes del polo anterior con OCT y BMU, mostrando un cierre angular en los 360º y de forma bilateral. Con estos datos, se establece el diagnóstico de ataque agudo de glaucoma bilateral, se prescribe tratamiento médico para dicho cuadro y se realizan iridotomías bilaterales que resultan permeables como muestran las imágenes del OCT, ampliándose la profundidad camerular en ambos ojos.\n \n", "section_annotation": { "gold": [ { "end_offset": 17, "label": "PRESENT_ILLNESS", "segment": "Mujer de 45 años ", "start_offset": 0 }, { "end_offset": 76, "label": "DERIVED_FROM/TO", "segment": "remitida por Medicina Interna para estudio de fondo de ojo ", "start_offset": 17 }, { "end_offset": 192, "label": "PRESENT_ILLNESS", "segment": "por presentar midriasis media bilateral con cefalea, pérdida de visión, náuseas y vómitos de 12 horas de evolución. ", "start_offset": 76 }, { "end_offset": 610, "label": "EXPLORATION", "segment": "A la exploración se objetiva una agudeza visual de 0,8 en ambos ojos y una midriasis bilateral arreactiva; el resto de la exploración, incluídas las papilas, es normal, salvo que presenta cámaras anteriores estrechas y unas presiones intraoculares de 65 y 58 mm Hg en cada ojo. Ante este cuadro se procede a tomar imágenes del polo anterior con OCT y BMU, mostrando un cierre angular en los 360º y de forma bilateral. ", "start_offset": 192 }, { "end_offset": 896, "label": "TREATMENT", "segment": "Con estos datos, se establece el diagnóstico de ataque agudo de glaucoma bilateral, se prescribe tratamiento médico para dicho cuadro y se realizan iridotomías bilaterales que resultan permeables como muestran las imágenes del OCT, ampliándose la profundidad camerular en ambos ojos.\n \n", "start_offset": 610 } ] } }
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A la exploración biomicroscópica se observa una conjuntivocalasia bilateral marcada con un tiempo de aclaramiento de fluoresceína (FCT) que muestra una secreción basal elevada, un aclaramiento de fluoresceína enlentecido y una secreción lagrimal refleja normal.\n \n Se instaura tratamiento con lágrimas artificiales sin conservantes, limpieza palpebral diaria y oclusión ocular sin objetivarse mejoría sintomática. Se añade al tratamiento colirio de metilprednisolona al 0,5% sin conservantes 3 veces al día durante 2 semanas. Se produce una mejoría sintomática transitoria, ya que los síntomas reaparecen al interrumpir el tratamiento.\n Debido a la persistencia de estos síntomas, se sugiere el tratamiento quirúrgico bilateral, que se lleva a cabo según la técnica descrita por Tseng. Bajo anestesia tópica, se extirpa el exceso conjuntival. La esclera expuesta se recubre con membrana amniótica orientada con la membrana basal hacia arriba. Se pliega la membrana amniótica sobre sí misma para distribuir los dos componentes del pegamento de fibrinógeno (Tissucol®) sobre la esclera y sobre la cara estromal de la membrana amniótica. El pegamento se distribuye en pequeñas gotas con ayuda de una cánula de cámara anterior. Se estira bien la membrana amniótica sobre la esclera para que se produzca una buena adhesión de ambos tejidos y se reseca el exceso de membrana amniótica. La conjuntiva residual se pega sobre la membrana. El tratamiento postoperatorio consiste en colirio metilprednisolona sin conservantes al 0,5% 3 veces al día y colirio de ofloxacino 2 veces al día durante 15 días sin necesidad de llevar a cabo una oclusión postoperatoria. La mejoría biomicroscópica y sintomática se evidencia en el postoperatorio inmediato, manteniéndose en los meses de seguimiento.\n \n", "section_annotation": { "gold": [ { "end_offset": 103, "label": "PRESENT_ILLNESS", "segment": "Varón de 63 años de edad que acude con síntomas de lagrimeo, conjuntivitis crónica y congestión nasal. ", "start_offset": 0 }, { "end_offset": 368, "label": "EXPLORATION", "segment": "A la exploración biomicroscópica se observa una conjuntivocalasia bilateral marcada con un tiempo de aclaramiento de fluoresceína (FCT) que muestra una secreción basal elevada, un aclaramiento de fluoresceína enlentecido y una secreción lagrimal refleja normal.\n \n ", "start_offset": 103 }, { "end_offset": 629, "label": "TREATMENT", "segment": "Se instaura tratamiento con lágrimas artificiales sin conservantes, limpieza palpebral diaria y oclusión ocular sin objetivarse mejoría sintomática. Se añade al tratamiento colirio de metilprednisolona al 0,5% sin conservantes 3 veces al día durante 2 semanas. ", "start_offset": 368 }, { "end_offset": 740, "label": "EVOLUTION", "segment": "Se produce una mejoría sintomática transitoria, ya que los síntomas reaparecen al interrumpir el tratamiento.\n ", "start_offset": 629 }, { "end_offset": 1756, "label": "TREATMENT", "segment": "Debido a la persistencia de estos síntomas, se sugiere el tratamiento quirúrgico bilateral, que se lleva a cabo según la técnica descrita por Tseng. Bajo anestesia tópica, se extirpa el exceso conjuntival. La esclera expuesta se recubre con membrana amniótica orientada con la membrana basal hacia arriba. Se pliega la membrana amniótica sobre sí misma para distribuir los dos componentes del pegamento de fibrinógeno (Tissucol®) sobre la esclera y sobre la cara estromal de la membrana amniótica. El pegamento se distribuye en pequeñas gotas con ayuda de una cánula de cámara anterior. Se estira bien la membrana amniótica sobre la esclera para que se produzca una buena adhesión de ambos tejidos y se reseca el exceso de membrana amniótica. La conjuntiva residual se pega sobre la membrana. El tratamiento postoperatorio consiste en colirio metilprednisolona sin conservantes al 0,5% 3 veces al día y colirio de ofloxacino 2 veces al día durante 15 días sin necesidad de llevar a cabo una oclusión postoperatoria. ", "start_offset": 740 }, { "end_offset": 1887, "label": "EVOLUTION", "segment": "La mejoría biomicroscópica y sintomática se evidencia en el postoperatorio inmediato, manteniéndose en los meses de seguimiento.\n \n", "start_offset": 1756 } ] } }
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Como antecedente destacaba el diagnóstico de estrías angioides cinco años antes. En la exploración oftalmológica se objetivó una agudeza visual lejana de unidad en el ojo derecho y de «contar dedos» a dos metros en el ojo izquierdo. La tensión ocular y la biomicroscopía estaban dentro de los parámetros normales. La oftalmoscopia bajo dilatación mostró, en ambos ojos, la existencia de lesiones lineales serpenteantes radiales al disco óptico que se extendían hacia la periferia. Además, en el ojo izquierdo, se apreciaba una lesión cicatricial de gran tamaño con áreas de movilización de pigmento y fibrosis que englobaba toda el área macular. Se realizó una angiografía fluoresceínica (AGF) con los siguientes resultados: en el ojo derecho se apreciaron unas líneas hipo e hiperfluorescentes con movilización de pigmento a nivel macular sin difusión de contraste. En el ojo izquierdo se observaron la mismas lesiones lineales acompañadas de un área hipo e hiperfluorescente a nivel macular sin difusión de contraste en tiempos tardíos siendo el diagnóstico compatible con estrías angioides bilaterales y además, en el ojo izquierdo, complicadas con una membrana neovascular subretiniana no susceptible de tratamiento. Se aconsejó el seguimiento clínico periódico.\n \n Dos meses después la paciente acudió refiriendo empeoramiento de la agudeza visual, esta vez, en el ojo derecho. La exploración oftalmológica reveló una agudeza visual de unidad con dificultad en el ojo derecho y de «contar dedos» a dos metros en el ojo izquierdo. Funduscópicamente, en el ojo derecho, se apreció una pequeña hemorragia y movilización de pigmento en polo posterior con estrías anaranjadas, ya presentes en exploraciones previas. Se realizó una nueva AGF del ojo derecho que puso de manifiesto una hiperfluorescencia a nivel macular desde tiempos iniciales rodeada de un halo hipofluorescente con aumento de la fluorescencia hacia tiempos tardíos y mínima difusión, no existente en AGF previas, compatible con una membrana neovascular subfoveal. Se estableció, por tanto, un nuevo diagnóstico, estrías angioides complicadas con membrana neovascular subfoveal en ojo derecho. Se le planteó el tratamiento con TFD y tras la primera sesión se produjo la reabsorción parcial de la hemorragia con mantenimiento de la pigmentación central. Dichos hallazgos se confirmaron con la AGF que reveló una ligera difusión de contraste en tiempos tardíos. Por ello, a pesar de la recuperación visual, se decidió aplicar dos sesiones más de TFD. En la última revisión la agudeza visual se mantenía en la unidad y angiográficamente se observaba una lesión hipo e hiperfluorescente compatible con una lesión cicatricial en el área macular. En tiempos angiográficos medios aparecía un aumento de la hiperfluorescencia que se mantenía en tiempos tardíos, pero sin difusión de contraste.\n \n", "section_annotation": { "gold": [ { "end_offset": 90, "label": "PRESENT_ILLNESS", "segment": "Mujer de 43 años que acudió por pérdida progresiva de agudeza visual en el ojo izquierdo. ", "start_offset": 0 }, { "end_offset": 171, "label": "PAST_MEDICAL_HISTORY", "segment": "Como antecedente destacaba el diagnóstico de estrías angioides cinco años antes. ", "start_offset": 90 }, { "end_offset": 1311, "label": "EXPLORATION", "segment": "En la exploración oftalmológica se objetivó una agudeza visual lejana de unidad en el ojo derecho y de «contar dedos» a dos metros en el ojo izquierdo. La tensión ocular y la biomicroscopía estaban dentro de los parámetros normales. La oftalmoscopia bajo dilatación mostró, en ambos ojos, la existencia de lesiones lineales serpenteantes radiales al disco óptico que se extendían hacia la periferia. Además, en el ojo izquierdo, se apreciaba una lesión cicatricial de gran tamaño con áreas de movilización de pigmento y fibrosis que englobaba toda el área macular. Se realizó una angiografía fluoresceínica (AGF) con los siguientes resultados: en el ojo derecho se apreciaron unas líneas hipo e hiperfluorescentes con movilización de pigmento a nivel macular sin difusión de contraste. En el ojo izquierdo se observaron la mismas lesiones lineales acompañadas de un área hipo e hiperfluorescente a nivel macular sin difusión de contraste en tiempos tardíos siendo el diagnóstico compatible con estrías angioides bilaterales y además, en el ojo izquierdo, complicadas con una membrana neovascular subretiniana no susceptible de tratamiento. ", "start_offset": 171 }, { "end_offset": 1473, "label": "EVOLUTION", "segment": "Se aconsejó el seguimiento clínico periódico.\n \n Dos meses después la paciente acudió refiriendo empeoramiento de la agudeza visual, esta vez, en el ojo derecho. ", "start_offset": 1311 }, { "end_offset": 2251, "label": "EXPLORATION", "segment": "La exploración oftalmológica reveló una agudeza visual de unidad con dificultad en el ojo derecho y de «contar dedos» a dos metros en el ojo izquierdo. Funduscópicamente, en el ojo derecho, se apreció una pequeña hemorragia y movilización de pigmento en polo posterior con estrías anaranjadas, ya presentes en exploraciones previas. Se realizó una nueva AGF del ojo derecho que puso de manifiesto una hiperfluorescencia a nivel macular desde tiempos iniciales rodeada de un halo hipofluorescente con aumento de la fluorescencia hacia tiempos tardíos y mínima difusión, no existente en AGF previas, compatible con una membrana neovascular subfoveal. Se estableció, por tanto, un nuevo diagnóstico, estrías angioides complicadas con membrana neovascular subfoveal en ojo derecho. ", "start_offset": 1473 }, { "end_offset": 2606, "label": "TREATMENT", "segment": "Se le planteó el tratamiento con TFD y tras la primera sesión se produjo la reabsorción parcial de la hemorragia con mantenimiento de la pigmentación central. Dichos hallazgos se confirmaron con la AGF que reveló una ligera difusión de contraste en tiempos tardíos. Por ello, a pesar de la recuperación visual, se decidió aplicar dos sesiones más de TFD. ", "start_offset": 2251 }, { "end_offset": 2945, "label": "EXPLORATION", "segment": "En la última revisión la agudeza visual se mantenía en la unidad y angiográficamente se observaba una lesión hipo e hiperfluorescente compatible con una lesión cicatricial en el área macular. En tiempos angiográficos medios aparecía un aumento de la hiperfluorescencia que se mantenía en tiempos tardíos, pero sin difusión de contraste.\n \n", "start_offset": 2606 } ] } }
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paciente de 78 años de edad, fáquico, diagnosticado de degeneración macular asociada a la edad exudativa (DMAE) en ojo derecho al que se le realiza terapia fotodinámica (TFD). 48 horas después se le inyecta en cámara vítrea 20 mg en 0,1 ml de acetato de triamcinolona obtenida mediante la técnica de sedimentación.\n La operación se realizó en el quirófano bajo medidas asépticas. La inyección se hizo con aguja de 27 G a 4 mm del limbo en el cuadrante temporo-inferior ayudado de un blefarostato. Durante el procedimiento, y coincidiendo con un intento de cierre forzado de los párpados, se observó con el microscopio cómo parte de la sustancia lechosa pasaba a cámara anterior.\n Se decidió actuar de forma expectante instilando colirio de ciprofloxacino y observando el pulso arterial espontáneo. Al día siguiente el paciente presentaba la triamcinolona precipitada en cámara anterior y en cámara vítrea sin otros signos inflamatorios. La PIO era de 25 mm Hg, por lo que se prescribió maleato de timolol al 0,5% en colirio cada 12 horas.\n \n Se le realizaron controles periódicos en los que se detectó un descenso de la PIO hasta valores normales, una reabsorción progresiva de la triamcinolona y la córnea transparente sin reacción inflamatoria. A los dos meses quedaban escasos restos de la sustancia, la PIO era de 17 mm Hg sin tratamiento y la biomicroscopía endotelial resultó un recuento celular normal e igual que en el ojo contralateral.\n \n", "section_annotation": { "gold": [ { "end_offset": 153, "label": "PRESENT_ILLNESS", "segment": "Se presenta el caso de un paciente de 78 años de edad, fáquico, diagnosticado de degeneración macular asociada a la edad exudativa (DMAE) en ojo derecho ", "start_offset": 0 }, { "end_offset": 824, "label": "TREATMENT", "segment": "al que se le realiza terapia fotodinámica (TFD). 48 horas después se le inyecta en cámara vítrea 20 mg en 0,1 ml de acetato de triamcinolona obtenida mediante la técnica de sedimentación.\n La operación se realizó en el quirófano bajo medidas asépticas. La inyección se hizo con aguja de 27 G a 4 mm del limbo en el cuadrante temporo-inferior ayudado de un blefarostato. Durante el procedimiento, y coincidiendo con un intento de cierre forzado de los párpados, se observó con el microscopio cómo parte de la sustancia lechosa pasaba a cámara anterior.\n Se decidió actuar de forma expectante instilando colirio de ciprofloxacino y observando el pulso arterial espontáneo. ", "start_offset": 153 }, { "end_offset": 963, "label": "EVOLUTION", "segment": "Al día siguiente el paciente presentaba la triamcinolona precipitada en cámara anterior y en cámara vítrea sin otros signos inflamatorios. ", "start_offset": 824 }, { "end_offset": 1068, "label": "TREATMENT", "segment": "La PIO era de 25 mm Hg, por lo que se prescribió maleato de timolol al 0,5% en colirio cada 12 horas.\n \n ", "start_offset": 963 }, { "end_offset": 1474, "label": "EVOLUTION", "segment": "Se le realizaron controles periódicos en los que se detectó un descenso de la PIO hasta valores normales, una reabsorción progresiva de la triamcinolona y la córnea transparente sin reacción inflamatoria. A los dos meses quedaban escasos restos de la sustancia, la PIO era de 17 mm Hg sin tratamiento y la biomicroscopía endotelial resultó un recuento celular normal e igual que en el ojo contralateral.\n \n", "start_offset": 1068 } ] } }
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Presentaba un importante fétor etílico e inestabilidad en la marcha.\n En la exploración oftalmológica se evidenció una agudeza visual (AV) en el ojo izquierdo (OI) poco fiable por la pésima colaboración del paciente, pero que al menos era de 0,7. La motilidad ocular intrínseca y extrínseca eran normales. No refería diplopía en ninguna posición de la mirada.\n Se objetivaba un hematoma palpebral superior con una pequeña herida inciso-contusa, superficial, que no precisó ser suturada.\n La biomicroscopía, tensión ocular y fondo de ojo eran normales.\n Se dejó al paciente en observación, presentando en las horas siguientes un deterioro neurológico progresivo, consistente en desorientación temporoespacial, respuestas incoherentes, somnolencia progresiva y vómitos de repetición, por lo que se le realizó la Escala del Coma de Glasgow (GCS), que resultó de 12, una TC orbitaria, donde se apreció un aumento de partes blandas periorbitario izquierdo correspondiente a un hematoma y un fragmento óseo con fractura asociado en el margen superoposterior y lateral de la órbita izquierda, y una TC cerebral, que mostraba un hematoma agudo intraparenquimatoso frontal izquierdo que se abría al asta anterior del ventrículo lateral adyacente y al resto del sistema ventricular y una hemorragia subaracnoidea en la cisura de Silvio izquierda, surcos de la convexidad izquierda, cisterna supraselar y perimesencefálicas.\n \n Se practicó una analítica, que descartó cualquier tendencia hemorrágica del paciente (tiempo de sangrado, tiempo de protrombina, tiempo de tromboplastina parcial activada, fibrinógeno y plaquetas normales).\n Ante la posibilidad de un vaso sangrante activo así como de un posible daño arterial, se realizó una arteriografía por sustracción digital (ASD) cerebral, en la cual no se encontraron hallazgos patológicos.\n \n El paciente fue ingresado en la Unidad de Cuidados Intensivos. Durante el ingreso se realizaron TC y ASD de control en los días 1, 2, 3, 7 y 14, que descartaron nuevos resangrados ó lesiones vasculares. El paciente evolucionó favorablemente y fue dado de alta con una GCS de 15. La TC al alta mostraba un hematoma frontal izquierdo en resolución con pequeño componente intraventricular lateral frontal izquierdo y restos hemáticos isodensos en la cisura de Silvio izquierda.\n \n", "section_annotation": { "gold": [ { "end_offset": 255, "label": "PRESENT_ILLNESS", "segment": "Se presenta un varón de 35 años que acudió a urgencias tras sufrir una agresión en el párpado superior izquierdo con un objeto metálico, fino y largo, mientras deambulaba por la calle. Presentaba un importante fétor etílico e inestabilidad en la marcha.\n ", "start_offset": 0 }, { "end_offset": 2020, "label": "EXPLORATION", "segment": "En la exploración oftalmológica se evidenció una agudeza visual (AV) en el ojo izquierdo (OI) poco fiable por la pésima colaboración del paciente, pero que al menos era de 0,7. La motilidad ocular intrínseca y extrínseca eran normales. No refería diplopía en ninguna posición de la mirada.\n Se objetivaba un hematoma palpebral superior con una pequeña herida inciso-contusa, superficial, que no precisó ser suturada.\n La biomicroscopía, tensión ocular y fondo de ojo eran normales.\n Se dejó al paciente en observación, presentando en las horas siguientes un deterioro neurológico progresivo, consistente en desorientación temporoespacial, respuestas incoherentes, somnolencia progresiva y vómitos de repetición, por lo que se le realizó la Escala del Coma de Glasgow (GCS), que resultó de 12, una TC orbitaria, donde se apreció un aumento de partes blandas periorbitario izquierdo correspondiente a un hematoma y un fragmento óseo con fractura asociado en el margen superoposterior y lateral de la órbita izquierda, y una TC cerebral, que mostraba un hematoma agudo intraparenquimatoso frontal izquierdo que se abría al asta anterior del ventrículo lateral adyacente y al resto del sistema ventricular y una hemorragia subaracnoidea en la cisura de Silvio izquierda, surcos de la convexidad izquierda, cisterna supraselar y perimesencefálicas.\n \n Se practicó una analítica, que descartó cualquier tendencia hemorrágica del paciente (tiempo de sangrado, tiempo de protrombina, tiempo de tromboplastina parcial activada, fibrinógeno y plaquetas normales).\n Ante la posibilidad de un vaso sangrante activo así como de un posible daño arterial, se realizó una arteriografía por sustracción digital (ASD) cerebral, en la cual no se encontraron hallazgos patológicos.\n \n ", "start_offset": 255 }, { "end_offset": 2083, "label": "TREATMENT", "segment": "El paciente fue ingresado en la Unidad de Cuidados Intensivos. ", "start_offset": 2020 }, { "end_offset": 2299, "label": "EVOLUTION", "segment": "Durante el ingreso se realizaron TC y ASD de control en los días 1, 2, 3, 7 y 14, que descartaron nuevos resangrados ó lesiones vasculares. El paciente evolucionó favorablemente y fue dado de alta con una GCS de 15. ", "start_offset": 2083 }, { "end_offset": 2497, "label": "EXPLORATION", "segment": "La TC al alta mostraba un hematoma frontal izquierdo en resolución con pequeño componente intraventricular lateral frontal izquierdo y restos hemáticos isodensos en la cisura de Silvio izquierda.\n \n", "start_offset": 2299 } ] } }
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null, "end_offset": 999, "span": "uncinado", "start_offset": 991 }, { "boundary": null, "end_offset": 1006, "span": "estaba", "start_offset": 1000 }, { "boundary": null, "end_offset": 1015, "span": "retraído", "start_offset": 1007 }, { "boundary": null, "end_offset": 1021, "span": "hacia", "start_offset": 1016 }, { "boundary": null, "end_offset": 1024, "span": "la", "start_offset": 1022 }, { "boundary": null, "end_offset": 1030, "span": "pared", "start_offset": 1025 }, { "boundary": null, "end_offset": 1041, "span": "orbitaria,", "start_offset": 1031 }, { "boundary": null, "end_offset": 1053, "span": "obstruyendo", "start_offset": 1042 }, { "boundary": null, "end_offset": 1056, "span": "el", "start_offset": 1054 }, { "boundary": null, "end_offset": 1068, "span": "infundíbulo", "start_offset": 1057 }, { "boundary": null, "end_offset": 1072, "span": "del", "start_offset": 1069 }, { "boundary": null, "end_offset": 1077, "span": "seno", "start_offset": 1073 }, { "boundary": null, 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La exoftalmometría era de 12,5 mm en ojo derecho y de 16 mm en ojo izquierdo. Se apreciaba un desplazamiento inferior de 1 mm del globo ocular derecho. Había un aumento del surco palpebral superior, con retracción palpebral superior a la mirada inferior. El resto de la exploración oftalmológica fue normal.\n \n Se realizó una TAC en la que se objetivó un seno maxilar derecho colapsado, con un descenso de volumen, una retracción interna de las paredes y un adelgazamiento y desplazamiento inferior del suelo de la órbita. El proceso uncinado estaba retraído hacia la pared orbitaria, obstruyendo el infundíbulo del seno maxilar.\n \n", "section_annotation": { "gold": [ { "end_offset": 261, "label": "PRESENT_ILLNESS", "segment": "Se presenta el caso de una paciente de 29 años, que acudió a urgencias de nuestro centro refiriendo que tenía «el ojo derecho hundido» de 6 meses de evolución y aportaba fotografías anteriores al problema para evidenciar ese cambio facial que había sufrido.\n \n ", "start_offset": 0 }, { "end_offset": 313, "label": "PAST_MEDICAL_HISTORY", "segment": "No presentaba antecedentes patológicos de interés.\n ", "start_offset": 261 }, { "end_offset": 1089, "label": "EXPLORATION", "segment": "La exploración oftalmológica mostró una agudeza visual de 1 en ambos ojos sin corrección con motilidad ocular intrínseca y extrínseca normales. La exoftalmometría era de 12,5 mm en ojo derecho y de 16 mm en ojo izquierdo. Se apreciaba un desplazamiento inferior de 1 mm del globo ocular derecho. Había un aumento del surco palpebral superior, con retracción palpebral superior a la mirada inferior. El resto de la exploración oftalmológica fue normal.\n \n Se realizó una TAC en la que se objetivó un seno maxilar derecho colapsado, con un descenso de volumen, una retracción interna de las paredes y un adelgazamiento y desplazamiento inferior del suelo de la órbita. El proceso uncinado estaba retraído hacia la pared orbitaria, obstruyendo el infundíbulo del seno maxilar.\n \n", "start_offset": 313 } ] } }
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exploración con lámpara de hendidura se observaba una catarata madura totalmente luxada a la cámara anterior en contacto con el endotelio corneal con bloqueo pupilar y presión intraocular de 60 mm Hg, la ecografía mostraba un desprendimiento de retina en el polo posterior junto con una lesión subyacente hiperecogénica.\n \n Tras un infructuoso tratamiento médico hipotensor, se decide la intervención, realizándose extracción intracapsular de cristalino. El fondo de ojo confirmó la sospecha de una lesión coroidea peripapilar nasal superior con desprendimiento de retina exudativo asociado.\n Se realizó una resonancia magnética nuclear (RMN) que mostró lesiones hiperintensas en T1 y T2 en leptomeninges de región frontoparietal izquierda con calcificaciones y atrofia del lóbulo frontal. Una lesión coroidea y dos lesiones orbitarias extraconales en cuadrante nasal superior y temporal superior, bien delimitadas, asociadas a dilatación de vena oftálmica superior. Todas las lesiones eran compatibles con hemangiomas cavernosos.\n \n La presión intraocular tras la cirugía se mantuvo entre 10 y 16 mm Hg sin necesidad de tratamiento antihipertensivo y la agudeza visual final fue menor de 20/200 (visión de bultos). En la actualidad las lesiones coroideas y orbitarias siguen estables, por lo que no precisan tratamiento.\n \n", "section_annotation": { "gold": [ { "end_offset": 17, "label": "PRESENT_ILLNESS", "segment": "Varón de 34 años ", "start_offset": 0 }, { "end_offset": 75, "label": "PAST_MEDICAL_HISTORY", "segment": "diagnosticado de Síndrome de Sturge-Weber en la infancia, ", "start_offset": 17 }, { "end_offset": 220, "label": "PRESENT_ILLNESS", "segment": "que presentó un glaucoma agudo secundario a luxación de cristalino a cámara anterior y bloqueo pupilar, por lo que fue intervenido de urgencia.\n ", "start_offset": 75 }, { "end_offset": 842, "label": "EXPLORATION", "segment": "En la exploración se evidenciaba una mancha en «vino de Oporto» hemifacial izquierda, en el territorio de la primera y segunda ramas trigeminales, exoftalmos severo con rechazo ínfero-temporal del globo ocular e ingurgitación marcada de vasos epiesclerales inferiores «en cabeza de Medusa».\n En la exploración con lámpara de hendidura se observaba una catarata madura totalmente luxada a la cámara anterior en contacto con el endotelio corneal con bloqueo pupilar y presión intraocular de 60 mm Hg, la ecografía mostraba un desprendimiento de retina en el polo posterior junto con una lesión subyacente hiperecogénica.\n \n ", "start_offset": 220 }, { "end_offset": 973, "label": "TREATMENT", "segment": "Tras un infructuoso tratamiento médico hipotensor, se decide la intervención, realizándose extracción intracapsular de cristalino. 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La exploración motora reveló una paresia de los músculos recto superior e interno y ptosis moderada en el ojo izquierdo. No hubo otros hallazgos oculares o neurológicos. La resonancia nuclear magnética (RNM) craneal fue normal. Se diagnosticó un síndrome de Tolosa-Hunt y se inició tratamiento con corticoides. Dos días después, la oftalmoplejía dolorosa persistía y la paciente comenzó a referir disminución de agudeza visual próxima. En la exploración de la paciente se observó midriasis izquierda. Se realizó RNM orbitaria que mostró en T2 un aneurisma de la carótida interna-comunicante posterior (CI-CP) parcialmente trombosado. La angio-tomografía axial computerizada (angio-TAC) mostró un aneurisma CI-CP izquierdo multilobulado de 10x5 mm. Se realizaron angiografía cerebral y embolización, siendo rellenado completamente el aneurisma con Hydrocoil (MicroVention, Aliso Viejo, CA) Cerecyte® (Micrus, Sunnyvale, CA). El tamaño pupilar se normalizó y la ptosis y la adducción mejoraron completamente dos semanas después de la embolización. Ocho meses tras el tratamiento persistía un ligero déficit en la elevación, sin que la paciente refiriese diplopía.\n \n", "section_annotation": { "gold": [ { "end_offset": 130, "label": "PRESENT_ILLNESS", "segment": "Mujer de 38 años que presentó cefalea y dolor periorbitario izquierdo de una semana de evolución y diplopía las últimas 24 horas. ", "start_offset": 0 }, { "end_offset": 358, "label": "EXPLORATION", "segment": "La exploración motora reveló una paresia de los músculos recto superior e interno y ptosis moderada en el ojo izquierdo. No hubo otros hallazgos oculares o neurológicos. La resonancia nuclear magnética (RNM) craneal fue normal. ", "start_offset": 130 }, { "end_offset": 441, "label": "TREATMENT", "segment": "Se diagnosticó un síndrome de Tolosa-Hunt y se inició tratamiento con corticoides. 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dolor traumático en su ojo izquierdo (OI). Entre sus antecedentes destacamos conjuntivitis de repetición en la infancia, artrosis senil y 4 hijos sanos. En la exploración oftalmológica observamos una abrasión corneal en OI, que curará con oclusión y pomada epitelizante en 1 semana. Además se aprecia en ambos ojos (AO) un iris atrófico, desdoblado, desflecado con atrofia en sector inferior, más en OI y una reducción de la cámara anterior visible también en la gonioscopia. Presenta cifras de tensión ocular de 24 mm Hg. en AO, con un campo visual (Humphrey 30-2) con una reducción general de la sensibilidad. Explorando el fondo de ojo encontramos lesiones hiperpigmentadas y atróficas (en «sal y pimienta»).\n Con el diagnóstico de presunción de sífilis congénita, aún sin leucomas propios de queratitis intersticial antigua, solicitamos pruebas serológicas para lues obteniendo resultados positivos en test treponémicos (TPHA, FTA abs) y negativos en los no treponémicos (RPR).\n En este punto la paciente es evaluada por medicina interna y es cuando averiguamos que desconoce la causa real de sus conjuntivitis, aunque relata, de forma detallada: los tratamientos recibidos con 9 años, en plena era preantibiótica, con neobismuto oral, que su madre «soltera» muere joven «deformada» y que en los años 60, por problemas inespecíficos articulares, le pautaron unas inyecciones semanales y mensuales (penicilina probablemente). Hallazgos de la anamnesis compatible con sífilis congénita tardía, con queratitis intersticial tratada con éxito, pues carece de leucomas. Adquirida por infección trasplacentaria: madre con artropatía severa compatible con sífilis secundaria. Y curada por resultado negativo en test RPR.\n \n", "section_annotation": { "gold": [ { "end_offset": 107, "label": "PRESENT_ILLNESS", "segment": "Mujer de 80 años, no conocida del servicio, acude por presentar dolor traumático en su ojo izquierdo (OI). ", "start_offset": 0 }, { "end_offset": 217, "label": "PAST_MEDICAL_HISTORY", "segment": "Entre sus antecedentes destacamos conjuntivitis de repetición en la infancia, artrosis senil y 4 hijos sanos. ", "start_offset": 107 }, { "end_offset": 288, "label": "EXPLORATION", "segment": "En la exploración oftalmológica observamos una abrasión corneal en OI, ", "start_offset": 217 }, { "end_offset": 347, "label": "TREATMENT", "segment": "que curará con oclusión y pomada epitelizante en 1 semana. ", "start_offset": 288 }, { "end_offset": 1047, "label": "EXPLORATION", "segment": "Además se aprecia en ambos ojos (AO) un iris atrófico, desdoblado, desflecado con atrofia en sector inferior, más en OI y una reducción de la cámara anterior visible también en la gonioscopia. Presenta cifras de tensión ocular de 24 mm Hg. en AO, con un campo visual (Humphrey 30-2) con una reducción general de la sensibilidad. Explorando el fondo de ojo encontramos lesiones hiperpigmentadas y atróficas (en «sal y pimienta»).\n Con el diagnóstico de presunción de sífilis congénita, aún sin leucomas propios de queratitis intersticial antigua, solicitamos pruebas serológicas para lues obteniendo resultados positivos en test treponémicos (TPHA, FTA abs) y negativos en los no treponémicos (RPR).\n ", "start_offset": 347 }, { "end_offset": 1304, "label": "PAST_MEDICAL_HISTORY", "segment": "En este punto la paciente es evaluada por medicina interna y es cuando averiguamos que desconoce la causa real de sus conjuntivitis, aunque relata, de forma detallada: los tratamientos recibidos con 9 años, en plena era preantibiótica, con neobismuto oral, ", "start_offset": 1047 }, { "end_offset": 1351, "label": "FAMILY_HISTORY", "segment": "que su madre «soltera» muere joven «deformada» ", "start_offset": 1304 }, { "end_offset": 1673, "label": "PAST_MEDICAL_HISTORY", "segment": "y que en los años 60, por problemas inespecíficos articulares, le pautaron unas inyecciones semanales y mensuales (penicilina probablemente). Hallazgos de la anamnesis compatible con sífilis congénita tardía, con queratitis intersticial tratada con éxito, pues carece de leucomas. Adquirida por infección trasplacentaria: ", "start_offset": 1351 }, { "end_offset": 1736, "label": "FAMILY_HISTORY", "segment": "madre con artropatía severa compatible con sífilis secundaria. ", "start_offset": 1673 }, { "end_offset": 1783, "label": "PAST_MEDICAL_HISTORY", "segment": "Y curada por resultado negativo en test RPR.\n \n", "start_offset": 1736 } ] } }
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En la piel se observaban lesiones típicas de esta enfermedad, las denominadas líneas de Blaschko. En la exploración ocular realizada en la consulta se constató buen comportamiento visual en ambos ojos (AO), segmento anterior normal, motilidad ocular intrínseca y extrínseca normal. La exploración de fondo de ojo (FO) con oftalmoscopio indirecto era normal en el ojo derecho (OD) y en el ojo izquierdo (OI) se observó una tenue hemorragia en la parte nasal. Dada la dificultad en la exploración, por movimientos continuos de la paciente, se programó nueva exploración del FO bajo narcosis y angiografía fluoresceinica ante la sospecha de lesiones vasculares ocultas. En dicha exploración se realizó nueva exploración del FO con oftalmoscopio indirecto y con Retcam II (Massie Lab.) que permite archivar las imágenes en formato digital, para su ulterior análisis detallado. En el OD se observó una lesión hipopigmentada paramacular y una discreta alteración en el trayecto de un vaso en extrema periferia temporal. En el OI se comprobó la existencia de una hemorragia lineal en periferia nasal sin evidencia de otros hallazgos. Se realizó angiografía fluoresceinica, inyectando vía intravenosa 5 ml de fluoresceína sódica por kilogramo de peso, que en nuestro caso fueron 0,35 ml. Se tomaron fotografías seriadas con la Retcam II que pusieron de manifiesto lesiones no observadas en la oftalmoscopia previa. En el OD se observó exudación puntiforme en extrema periferia temporal. En OI se observó la no perfusión de toda la periferia nasal. Se trató con láser de diodo toda la zona nasal afectada del OI (1.200 impactos, 300 mW, 300 ms).\n \n", "section_annotation": { "gold": [ { "end_offset": 21, "label": "PRESENT_ILLNESS", "segment": "Niña de cuatro meses ", "start_offset": 0 }, { "end_offset": 117, "label": "DERIVED_FROM/TO", "segment": "remitida por su dermatólogo con el diagnóstico de IP, para descartar patología ocular asociada. ", "start_offset": 21 }, { "end_offset": 1657, "label": "EXPLORATION", "segment": "En la piel se observaban lesiones típicas de esta enfermedad, las denominadas líneas de Blaschko. En la exploración ocular realizada en la consulta se constató buen comportamiento visual en ambos ojos (AO), segmento anterior normal, motilidad ocular intrínseca y extrínseca normal. La exploración de fondo de ojo (FO) con oftalmoscopio indirecto era normal en el ojo derecho (OD) y en el ojo izquierdo (OI) se observó una tenue hemorragia en la parte nasal. Dada la dificultad en la exploración, por movimientos continuos de la paciente, se programó nueva exploración del FO bajo narcosis y angiografía fluoresceinica ante la sospecha de lesiones vasculares ocultas. En dicha exploración se realizó nueva exploración del FO con oftalmoscopio indirecto y con Retcam II (Massie Lab.) que permite archivar las imágenes en formato digital, para su ulterior análisis detallado. En el OD se observó una lesión hipopigmentada paramacular y una discreta alteración en el trayecto de un vaso en extrema periferia temporal. En el OI se comprobó la existencia de una hemorragia lineal en periferia nasal sin evidencia de otros hallazgos. Se realizó angiografía fluoresceinica, inyectando vía intravenosa 5 ml de fluoresceína sódica por kilogramo de peso, que en nuestro caso fueron 0,35 ml. Se tomaron fotografías seriadas con la Retcam II que pusieron de manifiesto lesiones no observadas en la oftalmoscopia previa. En el OD se observó exudación puntiforme en extrema periferia temporal. En OI se observó la no perfusión de toda la periferia nasal. ", "start_offset": 117 }, { "end_offset": 1756, "label": "TREATMENT", "segment": "Se trató con láser de diodo toda la zona nasal afectada del OI (1.200 impactos, 300 mW, 300 ms).\n \n", "start_offset": 1657 } ] } }
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"start_offset": 2008 }, { "boundary": null, "end_offset": 2021, "span": "está", "start_offset": 2017 }, { "boundary": null, "end_offset": 2032, "span": "satisfecho", "start_offset": 2022 }, { "boundary": null, "end_offset": 2036, "span": "con", "start_offset": 2033 }, { "boundary": null, "end_offset": 2039, "span": "el", "start_offset": 2037 }, { "boundary": null, "end_offset": 2050, "span": "resultado.", "start_offset": 2040 }, { "boundary": null, "end_offset": 2053, "span": "\n \n", "start_offset": 2050 } ] }, "note_id": "S0365-66912010000500005-1", "note_text": "Varón de 36 años que tras traumatismo craneoencefálico presenta, 8 meses después, un síndrome medular incompleto sensitivo motor y par VI de ojo izquierdo (OI) que produce diplopía en todas las posiciones de la mirada. En la exploración motora se observa limitación de la abducción de -3, tortícolis cara izquierda de 10o, endotropía de 45 r en posición primaria de la mirada con ojo derecho (OD) fijador. En la exploración sensorial, la prueba de Worth muestra supresión intermitente de OI. La agudeza visual (AV) es de OD 1 y de OI 1. El resto de la exploración oftalmológica es normal.\n Se realizó tratamiento con dos inyecciones de toxina botulínica 5 UI en recto medio del OI, con lo que disminuyó la endotropía a 30 r sin mejorar la abducción.\n A los 6 meses se realiza TRV con fijación escleral en OI con anestesia general. En el postoperatorio inmediato se observó exotropía consecutiva de 45 r, inversión del tortícolis, limitación de la aducción de -1 y de la abducción de -1 del ojo afectado y diplopía.\n A los 15 días se inyectan 5 U de toxina botulínica en recto lateral del OI sin que se modificase el resultado, por lo que a los 2 meses se decide retirar la fijación escleral, lo que fue técnicamente imposible por las adherencias encontradas. Se reinterviene al paciente realizando una resección del recto medio de OI de 7 mm y se inyectan 5 U de toxina botulínica en recto lateral del OI intraoperatoriamente. El paciente quedó con tortícolis en la cara derecha de 10o, limitación de la abducción de -1, exotropía de 10-15 r en posición primaria de la mirada (PPM) sin diplopía. A los 2 años vuelve a presentar diplopía, exotropÍa de 20-30 r en PPM, limitación de la abducción de -1, limitación de la aducción de -1 y tortícolis en la cara derecha de 20o.\n Se decide realizar una nueva resección del recto medio del OI de 6 mm.\n Un año después de la última cirugía presenta: limitación de la abducción de -1, tortícolis en la cara derecha de 5o, exotropía de 10-15 r en PPM sin diplopía. El paciente está satisfecho con el resultado.\n \n", "section_annotation": { "gold": [ { "end_offset": 219, "label": "PRESENT_ILLNESS", "segment": "Varón de 36 años que tras traumatismo craneoencefálico presenta, 8 meses después, un síndrome medular incompleto sensitivo motor y par VI de ojo izquierdo (OI) que produce diplopía en todas las posiciones de la mirada. ", "start_offset": 0 }, { "end_offset": 590, "label": "EXPLORATION", "segment": "En la exploración motora se observa limitación de la abducción de -3, tortícolis cara izquierda de 10o, endotropía de 45 r en posición primaria de la mirada con ojo derecho (OD) fijador. En la exploración sensorial, la prueba de Worth muestra supresión intermitente de OI. La agudeza visual (AV) es de OD 1 y de OI 1. El resto de la exploración oftalmológica es normal.\n ", "start_offset": 219 }, { "end_offset": 831, "label": "TREATMENT", "segment": "Se realizó tratamiento con dos inyecciones de toxina botulínica 5 UI en recto medio del OI, con lo que disminuyó la endotropía a 30 r sin mejorar la abducción.\n A los 6 meses se realiza TRV con fijación escleral en OI con anestesia general. ", "start_offset": 590 }, { "end_offset": 1016, "label": "EVOLUTION", "segment": "En el postoperatorio inmediato se observó exotropía consecutiva de 45 r, inversión del tortícolis, limitación de la aducción de -1 y de la abducción de -1 del ojo afectado y diplopía.\n ", "start_offset": 831 }, { "end_offset": 1427, "label": "TREATMENT", "segment": "A los 15 días se inyectan 5 U de toxina botulínica en recto lateral del OI sin que se modificase el resultado, por lo que a los 2 meses se decide retirar la fijación escleral, lo que fue técnicamente imposible por las adherencias encontradas. Se reinterviene al paciente realizando una resección del recto medio de OI de 7 mm y se inyectan 5 U de toxina botulínica en recto lateral del OI intraoperatoriamente. ", "start_offset": 1016 }, { "end_offset": 1774, "label": "EVOLUTION", "segment": "El paciente quedó con tortícolis en la cara derecha de 10o, limitación de la abducción de -1, exotropía de 10-15 r en posición primaria de la mirada (PPM) sin diplopía. A los 2 años vuelve a presentar diplopía, exotropÍa de 20-30 r en PPM, limitación de la abducción de -1, limitación de la aducción de -1 y tortícolis en la cara derecha de 20o.\n ", "start_offset": 1427 }, { "end_offset": 1846, "label": "TREATMENT", "segment": "Se decide realizar una nueva resección del recto medio del OI de 6 mm.\n ", "start_offset": 1774 }, { "end_offset": 2053, "label": "EVOLUTION", "segment": "Un año después de la última cirugía presenta: limitación de la abducción de -1, tortícolis en la cara derecha de 5o, exotropía de 10-15 r en PPM sin diplopía. El paciente está satisfecho con el resultado.\n \n", "start_offset": 1846 } ] } }
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Entre sus antecedentes personales destacaba un dudoso diagnostico de esclerosis múltiple dudosa realizado hace 20 años sin pruebas de imagen que lo constataran. En la exploración la paciente presentaba una visión de 0,05 y movimiento de manos. El flap de la intervención no presentaba alteraciones. Al explorar su fondo de ojo, se observó la presencia de fibras de mielina en el nervio óptico derecho y leve palidez en el izquierdo. La sospecha de simulación surge cuando se observó que la paciente se desenvuelve perfectamente en la consulta, llegando a enviar un mensaje con su móvil. Refiere que trabaja y conduce a pesar de su supuesta baja visión. En la exploración que se realizó la visión binocular y la estereopsis fueron normales (120\"-60\"). Pruebas específicas como la de Bravais y de la escritura o Roth resultaron positivas. La paciente fue capaz de escribir su nombre con visión monocular y siguiendo una línea, a pesar de interrumpirla en medio de la tarea. También dibujó una línea recta, reanudando el trazo en el mismo punto en que lo había dejado tras distraerla de forma intencionada. Pruebas complementarias como la AFG y el ERG aportaron resultados dentro de los límites de la normalidad. En los PEV se observó una disminución leve de la conducción en el nervio óptico izquierdo. En el servicio de neurología fue descartada la esclerosis múltiple, con RM y punción lumbar normales.\n \n", "section_annotation": { "gold": [ { "end_offset": 140, "label": "PRESENT_ILLNESS", "segment": "El cuarto caso es el de una mujer de 30 años que refería pérdida visual tras una intervención de cirugía refractiva con LASIK un año antes. ", "start_offset": 0 }, { "end_offset": 301, "label": "PAST_MEDICAL_HISTORY", "segment": "Entre sus antecedentes personales destacaba un dudoso diagnostico de esclerosis múltiple dudosa realizado hace 20 años sin pruebas de imagen que lo constataran. ", "start_offset": 140 }, { "end_offset": 1545, "label": "EXPLORATION", "segment": "En la exploración la paciente presentaba una visión de 0,05 y movimiento de manos. El flap de la intervención no presentaba alteraciones. Al explorar su fondo de ojo, se observó la presencia de fibras de mielina en el nervio óptico derecho y leve palidez en el izquierdo. La sospecha de simulación surge cuando se observó que la paciente se desenvuelve perfectamente en la consulta, llegando a enviar un mensaje con su móvil. Refiere que trabaja y conduce a pesar de su supuesta baja visión. En la exploración que se realizó la visión binocular y la estereopsis fueron normales (120\"-60\"). Pruebas específicas como la de Bravais y de la escritura o Roth resultaron positivas. La paciente fue capaz de escribir su nombre con visión monocular y siguiendo una línea, a pesar de interrumpirla en medio de la tarea. También dibujó una línea recta, reanudando el trazo en el mismo punto en que lo había dejado tras distraerla de forma intencionada. Pruebas complementarias como la AFG y el ERG aportaron resultados dentro de los límites de la normalidad. En los PEV se observó una disminución leve de la conducción en el nervio óptico izquierdo. En el servicio de neurología fue descartada la esclerosis múltiple, con RM y punción lumbar normales.\n \n", "start_offset": 301 } ] } }
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El OI muestra adelgazamiento progresivo similar en la zona macular temporal con espesores de 164µm.\n \n", "section_annotation": { "gold": [ { "end_offset": 27, "label": "PRESENT_ILLNESS", "segment": "Paciente varón de 39 años, ", "start_offset": 0 }, { "end_offset": 119, "label": "PAST_MEDICAL_HISTORY", "segment": "diagnosticado de SA con alteraciones oculares (lenticono anterior y retinopatía en flecos), ", "start_offset": 27 }, { "end_offset": 145, "label": "PRESENT_ILLNESS", "segment": "acudió por baja AV en OD. ", "start_offset": 119 }, { "end_offset": 213, "label": "PAST_MEDICAL_HISTORY", "segment": "Resultó intervenido de cataratas sin complicaciones dos años antes. ", "start_offset": 145 }, { "end_offset": 545, "label": "EXPLORATION", "segment": "La OCT previa a la cirugía detectó disminución bilateral del espesor macular, con adelgazamiento de capas internas retinianas, fundamentalmente en la región macular temporal. La AV fue 0,01 en el OD y 0,7 en el OI. 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Consultó por cuadro clínico de 3 meses de evolución consistente en rechazo de la marcha, dolor con la bipedestación y la sedestación, principalmente manifestado en miembro inferior izquierdo, presentando posteriormente dificultad para ponerse de pie. Afebril durante toda su evolución, con manifestaciones intermitentes de dolor el cual disminuía parcialmente con administración de acetaminofeno, 15 mg/kg/dosis.\n No se encontraron antecedentes personales de trauma, enfermedad del tejido conectivo, hipertensión, diabetes, cardiopatía congénita o tuberculosis. Los antecedentes perinatales eran desconocidos dado a que la paciente fue entregada en adopción y se encontraba con la protección de madre sustituta.\n En el examen físico inicial se encontraba en buen estado general, eutrófica, hemodinámicamente estable. Se destaca el rechazo de la bipedestación y de la marcha, con irritabilidad a la flexión de las caderas, dolor a la palpación de la región lumbar, contractura de los músculos paraespinosos, disminución de la lordosis lumbar y localizaba el dolor en la zona lumbar. No se encontró la maniobra de Gowers, ni afectación neurológica.\n En los estudios clínicos iniciales destacaba hemograma normal, Proteína C Reactiva (PCR) de 7 mg/dl (rango de 0 a 5 mg/dl), Velocidad de Sedimentación Globular (VSG) de 40 mm/h), examen de orina normal, pruebas de función renal y hepática normales, antígenos para Salmonella negativos, Anticuerpos Antinucleares (AAN) negativos, Creatin Fosfoquinasa (CPK) normal. Entre los estudios imagenológicos destacó radiografía de tórax, de región lumbosacra y de caderas informadas como normales. La Resonancia Magnética (RM) con contraste de pelvis con énfasis en cadera izquierda, evidenció compromiso articular coxofemoral, con núcleos de cabeza femoral normales, acetábulo adecuado a nivel de corte coronal y sagital. Se encontró alteración del disco L5-S1, con erosiones óseas compatibles con espondilodiscitis.\n \n Se realizó búsqueda intencionada para tuberculosis y descartar Mal de Pott como diagnóstico diferencial; con Prueba de Tuberculina (PPD), tres baciloscopias (BK) seriados en jugo gástrico, tres BK seriados en orina, TAC de tórax simple y contrastado, ecografía abdominal total, sin encontrarse alteración en estas ayudas diagnósticas.\n Durante la evolución clínica se documentó exacerbación de dolor manifestado en rechazo de la bipedestación y de la marcha, con irritabilidad a la flexión de las caderas. En el seguimiento con reactantes de fase aguda destacó elevación de la PCR a 12 mg/dl y VSG a 60 mm/h.\n Se realizó exploración quirúrgica y drenaje de 2 cc de secreción de material purulento, cultivo y biopsia. La biopsia reportó: Trabécula ósea usual y medula ósea con espacio medular con celularidad del 30%, conservación de la relación granulo-eritroide, sin evidenciarse inflamación granulomatosa o proceso neoplásico. Reporte negativo para cultivos (incluyendo estudios para Brucella y Bartonella), neoplasia y tuberculosis.\n En junta médica interdisciplinaria, se decidió tratamiento antibiótico con Clindamicina 40 mg/kg/día y Ceftriaxone 100 mg/kg/día endovenoso durante 4 semanas y 2 semanas con Cefalexina 100 mg/kg/día vía oral. Para el manejo de dolor, recibió Naproxeno y se indicó rehabilitación física, hasta la resolución completa del cuadro clínico, evidenciado en ausencia de dolor, mejoría en bipedestación, marcha y normalización de los reactantes de fase aguda.\n", "section_annotation": { "gold": [ { "end_offset": 50, "label": "PRESENT_ILLNESS", "segment": "Paciente de sexo femenino, edad 2 años y 7 meses, ", "start_offset": 0 }, { "end_offset": 164, "label": "PAST_MEDICAL_HISTORY", "segment": "raza mestiza, procedente del área rural de la ciudad de Palmira del departamento del Valle del Cauca en Colombia. ", "start_offset": 50 }, { "end_offset": 578, "label": "PRESENT_ILLNESS", "segment": "Consultó por cuadro clínico de 3 meses de evolución consistente en rechazo de la marcha, dolor con la bipedestación y la sedestación, principalmente manifestado en miembro inferior izquierdo, presentando posteriormente dificultad para ponerse de pie. 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La Resonancia Magnética (RM) con contraste de pelvis con énfasis en cadera izquierda, evidenció compromiso articular coxofemoral, con núcleos de cabeza femoral normales, acetábulo adecuado a nivel de corte coronal y sagital. Se encontró alteración del disco L5-S1, con erosiones óseas compatibles con espondilodiscitis.\n \n Se realizó búsqueda intencionada para tuberculosis y descartar Mal de Pott como diagnóstico diferencial; con Prueba de Tuberculina (PPD), tres baciloscopias (BK) seriados en jugo gástrico, tres BK seriados en orina, TAC de tórax simple y contrastado, ecografía abdominal total, sin encontrarse alteración en estas ayudas diagnósticas.\n ", "start_offset": 877 }, { "end_offset": 2733, "label": "EVOLUTION", "segment": "Durante la evolución clínica se documentó exacerbación de dolor manifestado en rechazo de la bipedestación y de la marcha, con irritabilidad a la flexión de las caderas. 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Fue evaluado con electrocardiograma y ecocardiograma resultando normales. Se realizó estudio hemodinámico para lo cual se usó sedación y anestesia local con lidocaína, se cateterizó la arteria femoral derecha con introductor 5 French. Se efectuó una aortografía torácica con catéter Pig Tail 5 French donde se pesquisó, a nivel de la aorta torácica, un vaso aberrante de gran calibre que nacía de ésta y se dirigía al lóbulo superior del pulmón derecho con diámetro mínimo 2 mm y máximo 6 mm.\n \n Posteriormente, con catéter multipropósito 5 French se canalizó el vaso y posteriormente se procedió al cambio de introductor N° 6 French y por medio de un catéter multipropósito se ubicó una guía de intercambio a distal de vasos que nutrían el secuestro por el cual se introdujo catéter largo de 6 French y por medio de este se implantó un dispositivo AVP II (AmplatzerR) de dimensiones 4/6 mm, posterior a su ubicación y comprobando su estabilidad se procedió a su liberación, obteniendo oclusión total del vaso a la angiografía de control.\n El paciente fue dado de alta al día siguiente sin complicaciones y fue controlado con radiografía de tórax en la que se evidenció dispositivo in situ y campos pulmonares libres. Fue controlado a la semana, mes, a los 6 meses, al año y a los dos años, encontrándose en todos sus controles asintomático y en excelentes condiciones.\n", "section_annotation": { "gold": [ { "end_offset": 85, "label": "PRESENT_ILLNESS", "segment": "Escolar de 13 años, sexo masculino en controles en el policlínico de broncopulmonar, ", "start_offset": 0 }, { "end_offset": 239, "label": "PAST_MEDICAL_HISTORY", "segment": "con antecedentes de cuadros bronquiales obstructivos frecuentes e infecciones respiratorias recurrentes, con buena respuesta a tratamiento convencional.\n ", "start_offset": 85 }, { "end_offset": 873, "label": "EXPLORATION", "segment": "Por referir dolor torácico se efectuó un TAC de tórax que pesquisó una imagen en el lóbulo superior derecho compatible con SP intralobar. Fue evaluado con electrocardiograma y ecocardiograma resultando normales. Se realizó estudio hemodinámico para lo cual se usó sedación y anestesia local con lidocaína, se cateterizó la arteria femoral derecha con introductor 5 French. Se efectuó una aortografía torácica con catéter Pig Tail 5 French donde se pesquisó, a nivel de la aorta torácica, un vaso aberrante de gran calibre que nacía de ésta y se dirigía al lóbulo superior del pulmón derecho con diámetro mínimo 2 mm y máximo 6 mm.\n \n ", "start_offset": 239 }, { "end_offset": 1417, "label": "TREATMENT", "segment": "Posteriormente, con catéter multipropósito 5 French se canalizó el vaso y posteriormente se procedió al cambio de introductor N° 6 French y por medio de un catéter multipropósito se ubicó una guía de intercambio a distal de vasos que nutrían el secuestro por el cual se introdujo catéter largo de 6 French y por medio de este se implantó un dispositivo AVP II (AmplatzerR) de dimensiones 4/6 mm, posterior a su ubicación y comprobando su estabilidad se procedió a su liberación, obteniendo oclusión total del vaso a la angiografía de control.\n ", "start_offset": 873 }, { "end_offset": 1747, "label": "EVOLUTION", "segment": "El paciente fue dado de alta al día siguiente sin complicaciones y fue controlado con radiografía de tórax en la que se evidenció dispositivo in situ y campos pulmonares libres. 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"boundary": null, "end_offset": 2784, "span": "y", "start_offset": 2783 }, { "boundary": null, "end_offset": 2793, "span": "asesoría", "start_offset": 2785 }, { "boundary": null, "end_offset": 2798, "span": "para", "start_offset": 2794 }, { "boundary": null, "end_offset": 2806, "span": "futuros", "start_offset": 2799 }, { "boundary": null, "end_offset": 2817, "span": "embarazos.", "start_offset": 2807 }, { "boundary": null, "end_offset": 2818, "span": "\n", "start_offset": 2817 } ] }, "note_id": "S0370-41062014000200011-1", "note_text": "Recién nacido hijo de madre primigesta de 18 años, con embarazo de 36 semanas, con control prenatal irregular, quien presentó parto vaginal y líquido amniótico con meconio. Pesó al nacer 1.240 g (< p 3), midió 41 cm (< p 3), con apgar de 7 y 9. Presentó dificultad respiratoria temprana que requirió soporte ventilatorio y surfactante pulmonar, con adecuada respuesta. Se logró extubación a CPAP, pero presentó taquicardia y taquipnea persistente, por lo cual se realizó ecocardiograma sugestivo de coartación de aorta por lo que fue derivado a un centro de mayor complejidad, a los 13 días de vida.\n A su ingreso a la institución se tomó presión arterial en cuatro extremidades: Miembros superiores derecho e izquierdo 88/49 presión arterial media (PAM) 62 y 90/52 PAM 63, miembros inferiores derecho e izquierdo 86/43 PAM 61, 78/44 PAM 53, frecuencia cardíaca 180 y respiratoria 65 x min. Al examen segmentario destacaba hepatomegalia, frialdad distal, taquicardia, soplo en foco pulmonar II/VI, pulsos femorales presentes, retracción subcostal, temblor distal fino, exoftalmo marcado y precordio hiperdinámico.\n \n Se realizó Ecocardiograma que descartó coartación aórtica, pero mostró disfunción miocárdica que requirió soporte inotrópico. Ecografía transfontanelar y abdominal normales. En los exámenes de laboratorio iníciales destacaron alteraciones de función hepática, bilirrubina de 6,8 mg% (directa de 5,3 mg%).\n Al evaluar a la madre se observó fenotipo sugestivo de hipertiroidismo, con delgadez marcada y exoftalmo, por lo que se sospechó enfermedad tiroidea no tratada. Debido a sospecha de hipertiroidismo neonatal, se realizó perfil tiroideo, que mostró TSH 0,01 uUI/ml y T4 Libre de 7,7 (valores de referencia 0,71-1,85 ng/dl). Se realizaron además anticuerpos antimicrosomales, los cuales fueron negativos, pero no se pudo realizar anticuerpos estimulantes del receptor de tirotropina (TRAab).\n \n Al reevaluar al paciente se observó bocio difuso que se confirmó con ecografía. Se inició metimazol 1 mg/kg/día dividido en 3 dosis, propanolol a dosis de 1 mg/kg/día dividido en 2 dosis, logrando mejoría de la taquicardia. Sin embargo, se notó poca ganancia de peso en los primeros días de manejo, situación revertida después de una semana de tratamiento. Se logró retiro de oxígeno, resolución de hepatomegalia y después de 1 semana de tratamiento la T4 Libre descendió hasta 3,1 mg/dl, persistiendo con supresión de la TSH (0,015 uUI/ml) al momento de su egreso.\n \n En la semana 13 de evolución se normalizaron las pruebas de función tiroidea, retirándose la medicación antitiroidea. Durante el seguimiento, el lactante permaneció en condición eutiroidea, sin alteraciones cardiovasculares ni del neurodesarrollo. 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Al examen segmentario destacaba hepatomegalia, frialdad distal, taquicardia, soplo en foco pulmonar II/VI, pulsos femorales presentes, retracción subcostal, temblor distal fino, exoftalmo marcado y precordio hiperdinámico.\n \n Se realizó Ecocardiograma que descartó coartación aórtica, pero mostró disfunción miocárdica que requirió soporte inotrópico. Ecografía transfontanelar y abdominal normales. En los exámenes de laboratorio iníciales destacaron alteraciones de función hepática, bilirrubina de 6,8 mg% (directa de 5,3 mg%).\n ", "start_offset": 601 }, { "end_offset": 1584, "label": "FAMILY_HISTORY", "segment": "Al evaluar a la madre se observó fenotipo sugestivo de hipertiroidismo, con delgadez marcada y exoftalmo, por lo que se sospechó enfermedad tiroidea no tratada. 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No refería palpitaciones, síntomas vegetativos ni episodios sincopales.\n A la exploración física presentaba buen aspecto general, manteniéndose hemodinámicamente estable, destacando dolor a la palpación a nivel de la musculatura torácica izquierda que aumentaba con la inspiración y la movilización de miembros superiores. En la auscultación cardíaca se escuchaba aumento de ruidos cardíacos en precordio derecho y atenuados en el izquierdo.\n Dado el tiempo de evolución del dolor y la alteración electrocardiográfica referida, se repitió ECG, persistiendo eje QRS y onda P de +150°, QRS estrecho de voltaje atenuado en precordiales V3-V6 y ondas T negativas en V1-V4 y aVL.\n En la radiografía de tórax se confirmó la presencia de dextrocardia, además se apreció burbuja gástrica a la derecha y sombra hepática a la izquierda, por lo que se sospechó situs inversus, que se confirmó en ecografía abdominal.\n \n El paciente fue remitido a Cardiología Infantil donde se realizó ecocardiografía evidenciándose dextrocardia especular clásica sin malformaciones cardíacas asociadas.\n \n Ante la sospecha de etiología músculo-esquelética, el dolor torácico se trató con antiinflamatorios con mejoría progresiva, encontrándose asintomático en el momento de acudir a control.\n", "section_annotation": { "gold": [ { "end_offset": 17, "label": "PRESENT_ILLNESS", "segment": "Varón de 9 años, ", "start_offset": 0 }, { "end_offset": 58, "label": "PAST_MEDICAL_HISTORY", "segment": "sin antecedentes patológicos de interés, ", "start_offset": 17 }, { "end_offset": 273, "label": "DERIVED_FROM/TO", "segment": "remitido a servicio de urgencias por dolor precordial intermitente de 1 mes de evolución, asociado a alteración en el electrocardiograma (ECG): atenuación del QRS e inversión de onda T en derivaciones precordiales. ", "start_offset": 58 }, { "end_offset": 346, "label": "PRESENT_ILLNESS", "segment": "No refería palpitaciones, síntomas vegetativos ni episodios sincopales.\n ", "start_offset": 273 }, { "end_offset": 1182, "label": "EXPLORATION", "segment": "A la exploración física presentaba buen aspecto general, manteniéndose hemodinámicamente estable, destacando dolor a la palpación a nivel de la musculatura torácica izquierda que aumentaba con la inspiración y la movilización de miembros superiores. 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calcificaciones múltiples en su interior, se realizó biopsia por punción con aguja fina cuya histología fue compatible con carcinoma papilar, por lo que se realizó una tiroidectomia total con vaciamiento ganglionar cervical anterior. La biopsia confirmó un Carcinoma papilar de tiroides unifocal, variedad usual, sin infiltración del tejido peritiroideo, sin permeaciones linfovasculares ni compromiso de los linfonodos evaluados, bordes quirúrgicos negativos y resto del tejido tiroideo compatible con una tiroiditis crónica difusa. De acuerdo a protocolo a continuación de la tiroidectomía se aplicó Radio yodo 100 mCi a los 25 días post cirugía con rastreo terapéutico posterior negativo. Permanece sin evidencias de recidiva, con Tiroglobulinas < 0,2 ng/ml en controles posteriores con 1 año 4 meses de seguimiento.\n \n", "section_annotation": { "gold": [ { "end_offset": 51, "label": "PRESENT_ILLNESS", "segment": "Paciente de sexo femenino 11 años 4 meses de edad, ", "start_offset": 0 }, { "end_offset": 135, "label": "PAST_MEDICAL_HISTORY", "segment": "con diagnóstico de tiroiditis autoinmune a los 4 años pesquisada por bocio difuso y ", "start_offset": 51 }, { "end_offset": 210, "label": "FAMILY_HISTORY", "segment": "antecedente familiar de carcinoma papilar en primo, abuela y bisabuela.\n \n ", "start_offset": 135 }, { "end_offset": 390, "label": "PRESENT_ILLNESS", "segment": "A los 10 años en control ecográfico se pesquisó un nódulo tiroideo izquierdo de 1,3 por 0,9 cm, de bordes mal limitados, heterogéneo, con calcificaciones múltiples en su interior, ", "start_offset": 210 }, { "end_offset": 490, "label": "EXPLORATION", "segment": "se realizó biopsia por punción con aguja fina cuya histología fue compatible con carcinoma papilar, ", "start_offset": 390 }, { "end_offset": 582, "label": "TREATMENT", "segment": "por lo que se realizó una tiroidectomia total con vaciamiento ganglionar cervical anterior. 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A los 13 años se realizó ecografía tiroídea por bocio que describe lesión sugerente de neoplasia tiroídea extensa con compromiso de mayor parte de la glándula, nódulo dominante lóbulo izquierdo y adenopatías supraclaviculares izquierdas. Teniendo en cuenta sus antecedentes familiares, se decidió realizar una tiroidectomía total sin punción tiroídea previa, cuya biopsia contemporánea y definitiva confirmaron carcinoma papilar de tiroides en lóbulo izquierdo, itsmo y lóbulo derecho, variante esclerosante difusa que infiltraba el tejido peritiroideo con múltiples permeaciones vasculares y compromiso ganglionar.\n A continuación de la Tiroidectomía se trató a los 30 días con radio yodo 150 mCi; el rastreo sistémico terapéutico mostró sólo tejido captante en remanente tiroideo. Sin embargo, a los 3 meses post tiroidectomía se pesquisó clínicamente y mediante ecografía, un nódulo en lecho tiroideo derecho con recidiva ganglionar cervical, en la que se confirmó mediante biopsia por punción metástasis de carcinoma papilar en ganglios del grupo IIA, II, IV, VD, por lo que se realizó una reintervención quirúrgica. Evoluciona con persistencia imagenológica de lesión ganglionar cervical sospechosa de recidiva por lo que a los 9 meses postiroidectomia se decidió aplicar una segunda dosis de radio yodo 150 mCi con exploración sistémica terapéutica que mostró aumento de captación en región cervical anterior compatible con la lesión nodular visible ecográficamente. Esta lesión ha disminuido de tamaño en controles posteriores con 1 año 3 meses de seguimiento y persiste con Tiroglobulinas < 0,5 ng/ml.\n", "section_annotation": { "gold": [ { "end_offset": 51, "label": "PRESENT_ILLNESS", "segment": "Paciente de sexo femenino 14 años 3 meses de edad, ", "start_offset": 0 }, { "end_offset": 128, "label": "FAMILY_HISTORY", "segment": "con antecedente familiar de madre con carcinoma papilar de tiroides operado. ", "start_offset": 51 }, { "end_offset": 366, "label": "PRESENT_ILLNESS", "segment": "A los 13 años se realizó ecografía tiroídea por bocio que describe lesión sugerente de neoplasia tiroídea extensa con compromiso de mayor parte de la glándula, nódulo dominante lóbulo izquierdo y adenopatías supraclaviculares izquierdas. ", "start_offset": 128 }, { "end_offset": 827, "label": "TREATMENT", "segment": "Teniendo en cuenta sus antecedentes familiares, se decidió realizar una tiroidectomía total sin punción tiroídea previa, cuya biopsia contemporánea y definitiva confirmaron carcinoma papilar de tiroides en lóbulo izquierdo, itsmo y lóbulo derecho, variante esclerosante difusa que infiltraba el tejido peritiroideo con múltiples permeaciones vasculares y compromiso ganglionar.\n A continuación de la Tiroidectomía se trató a los 30 días con radio yodo 150 mCi; ", "start_offset": 366 }, { "end_offset": 1196, "label": "EXPLORATION", "segment": "el rastreo sistémico terapéutico mostró sólo tejido captante en remanente tiroideo. Sin embargo, a los 3 meses post tiroidectomía se pesquisó clínicamente y mediante ecografía, un nódulo en lecho tiroideo derecho con recidiva ganglionar cervical, en la que se confirmó mediante biopsia por punción metástasis de carcinoma papilar en ganglios del grupo IIA, II, IV, VD, ", "start_offset": 827 }, { "end_offset": 1277, "label": "TREATMENT", "segment": "por lo que se realizó una reintervención quirúrgica. Evoluciona con persistencia ", "start_offset": 1196 }, { "end_offset": 1695, "label": "EVOLUTION", "segment": "imagenológica de lesión ganglionar cervical sospechosa de recidiva por lo que a los 9 meses postiroidectomia se decidió aplicar una segunda dosis de radio yodo 150 mCi con exploración sistémica terapéutica que mostró aumento de captación en región cervical anterior compatible con la lesión nodular visible ecográficamente. Esta lesión ha disminuido de tamaño en controles posteriores con 1 año 3 meses de seguimiento ", "start_offset": 1277 }, { "end_offset": 1738, "label": "TREATMENT", "segment": "y persiste con Tiroglobulinas < 0,5 ng/ml.\n", "start_offset": 1695 } ] } }
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Se sugirió resección quirúrgica del surco, pero la familia decidió realizar una prueba terapéutica con lubricantes tópicos, dado que entendió el carácter benigno de la lesión.\n", "section_annotation": { "gold": [ { "end_offset": 200, "label": "PRESENT_ILLNESS", "segment": "Escolar de sexo femenino, 8 años de edad, consultó junto a su madre por ardor en el área genital y perineal asociado a una secreción blanca, sin mal olor, diariamente por dos semanas aproximadamente. ", "start_offset": 0 }, { "end_offset": 597, "label": "PAST_MEDICAL_HISTORY", "segment": "Tenía el antecedente de haber presentado una fisura anogenital desde período de lactante que se mantuvo en observación por un período breve sin completar el seguimiento hasta el alta. La paciente realizaba su aseo genital diariamente sólo con agua presentado en dos ocasiones sangrado escaso al secar zona perineal. 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Padres no consanguíneos sin antecedentes personales ni familiares de importancia, madre primigesta de 19 años.\n A las 12 semanas de gestación se encontró translucencia nucal mayor de p95, por lo que se realizó un cariotipo en biopsia de vellosidades coriales que mostró un resultado 46, XY; a las 18 semanas una ecografía evidenció cardiopatía compleja, con un canal aurículoventricular completo, mientras que en una ecografía de tercer trimestre los huesos largos se encontraban en p5.\n Al nacimiento fue hospitalizado en unidad de cuidados intensivos neonatal. Evaluado por genetista clínico, quien al examen dismorfológico describió: microcefalia, orejas de implantación baja con rotación hacia atrás, puente nasal deprimido, pliegue epicántico interno, estrabismo convergente, en boca labio superior corto unido por frenillos al reborde alveolar, extremidades con huesos largos cortos, rizomelia, manos pequeñas, braquidactilia, pliegue palmar único, polidactilia post axial en miembros superiores, polisindactilia preaxial bilateral en miembros inferiores y uñas hipoplásicas.\n \n El ecocardiograma mostró canal aurículo-ventricular, estenosis aórtica, hipoplasia del arco aórtico, ductus arterioso e hipoplasia leve de arteria pulmonar derecha, también se realizó ecografía transfontanelar y renal que resultaron normales; radiografías de miembros inferiores mostraron fémur y la tibia cortos con adecuada osificación, en radiografía toracoabdominal se observó un tórax estrecho al comparar con el abdomen y una silueta cardíaca aumentada de tamaño al comparar con el tórax ; en la columna no se observaron alteraciones vertebrales.\n \n La suma de hallazgos permitió diagnosticar el síndrome de Ellis Van Creveld. 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Las recurrencias fueron frecuentes, del tipo focal compleja y hemiclónicas de más de 10 min con al menos 5 SE febriles entre el 3 y 6 mes, con un examen normal post crisis.\n La RM cerebral3 fueron normal, al igual que múltiples EEG standard, la cuantificación de aminoácidos en sangre, líquido cefalorraquídeo, ácidos orgánicos y ultramicroscopía de piel. A los 6 meses se solicitó estudio molecular del gen SCN1A confirmándose mutación c.5347G>A (p.Ala1783Thr) en estado heterocigoto en el exón 26 del gen. El estudio molecular de ambos padres fue normal.\n El uso de fenobarbital, clobazam, levetiracetam y topiramato, no logró control de crisis. A los 9 meses se inició stiripentol dosis 50 mg kp día, asociado a topiramato y ácido valproico sin resultados. Entre los 12-18 meses los múltiples SE y crisis frecuentes deterioraron su desarrollo perdiendo marcha, control de tronco y control cefálico. Se inició dieta cetogénica la que se asoció a una pancreatitis grave por lo que se discontinuó.\n La certificación de alteración deglución y cuadros respiratorios recurrentes febriles que precipitaban los SE plantearon gastrostomía lo que logró disminución de episodios febriles y mejor manejo de las crisis.\n Posterior a una serie de adecuaciones de fármacos antiepilépticos el tratamiento triasociado con clobazam, topiramato y lacosamida permitió un control parcial de crisis, sin SE en 18 meses, con crisis de corta duración (segundos) 3-5 por semana que no requerían uso diazepam ni provocaban alteración en actividades de vida diaria.\n", "section_annotation": { "gold": [ { "end_offset": 47, "label": "PRESENT_ILLNESS", "segment": "Primera hija de padres sanos no consanguíneos, ", "start_offset": 0 }, { "end_offset": 108, "label": "FAMILY_HISTORY", "segment": "sin antecedentes de epilepsia en familiares de primer grado, ", "start_offset": 47 }, { "end_offset": 394, "label": "PRESENT_ILLNESS", "segment": "debutó a los 2 meses de edad, con CF hemiclónica derecha, de 15 min de duración, con paresia de Todd posterior. 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Inició CF a los 6 meses, prolongadas, focales, clonías de hemicara y SE febriles con mulitples EEG standard normales. A los 10 meses se le agregan crisis afebriles pero gatilladas por cuadros infecciosos. Posterior al año persistió con múltiples crisis afebriles hemigeneralizadas, mioclónicas, ausencias atípicas y tónicas clónicas generalizadas precipitadas por foto estimulación. Entre el primer y segundo año presentó 7 SE que requirieron ingreso a Unidad de cuidados intensivos y 10 hospitalizaciones por crisis prolongadas. La triasociación de fenobarbital, ácido valproico y levetiracetam no logró control de crisis. La RM cerebral y estudios metabólicos fueron normales.\n Evolucionó con retraso de lenguaje, compromiso motor de menor cuantía y microcefalia. A la edad de 3 años se solicitó estudio molecular del gen SCN1A que confirmó la mutación c.3311C>A (p.Ser1104X) exón 16 en estado heterocigoto para el gen. El estudio molecular de ambos padres fue normal. 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Consultó a los 47 días de vida por cuadro de 20 días de evolución caracterizado por ictericia progresiva y coluria, con buen incremento de peso, siendo derivada al hospital regional para estudio.\n Exámenes con patrón colestásico, en los cuales destacaba aumento de bilirrubina total (BT), a expensas de la bilirrubina directa (BD) (12,75 mg/dl-10,18 mg/dl) y pruebas hepáticas elevadas, sobre todo la gamma glutamil transpeptidasa (GGT) y la fosfatasa alcalina (FA).\n En Hospital regional se sospechó hepatitis viral, y se tomó serología para hepatitis A, B y C que resultaron negativas. Evolucionó favorablemente pero se constataron deposiciones acólicas. Se derivó a gastroenterología previos exámenes de control que mantenían patrón colestásico con elevación de la BD y de las transaminasas: BT 10,58, BD 7,88, GOT 204, GPT 109, GGT 550.\n A los 52 días de vida se le realizó una ecografía abdominal que mostró dilatación arrosariada de vía biliar intrahepática y vesícula biliar presente pero colapsada a pesar del ayuno.\n Por la presencia de la vesícula y la gran dilatación de vía biliar intrahepática, se decidió diferir la biopsia hepática y se realizó una colangio-resonancia. Esta mostró un hígado normal con parénquima conservado, leve dilatación de ductos biliares intrahepáticos hasta nivel de su confluencia, hacia distal no se logró visualizar vía biliar extrahepática.\n Con el resultado de la colangio-resonancia se sospechó atresia de vía biliar y se decidió cirugía de derivación bilio-digestiva (Kasai). Llamaba la atención que en exámenes seriados la bilirrubina había ido en disminución al igual que la ictericia. Por presencia de deposiciones acólicas se decidió exploración quirúrgica.\n Durante la cirugía se visualizó superficie hepática lisa, hígado congestivo (confirmado por biopsia), vesícula biliar presente, con lumen y bilis en su interior. Se realizó colangiografía intraoperatoria donde se visualizó una zona estenótica crítica a nivel del conducto hepático común logrando paso de contraste hacia proximal y distal (intra y extra hepático), con vía biliar intrahepática dilatada.\n Se realizó colecistectomía y disección de conducto hepático común demostrando una estenosis a nivel de éste, causado por un anillo vascular proveniente de arteria hepática derecha. Se seccionó la vía biliar a nivel proximal de la estenosis realizando una hepático-duodeno anastomosis. Se dejó drenaje abdominal y sonda nasogástrica instalada.\n \n La paciente evolucionó favorablemente, con débito en disminución por el drenaje retirándose al 6 día y alimentándose a los 4 días. 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derecha, sin compromiso esqueletal, cuya clínica y radiología era compatible con ML. La ecografía facial, a los 18 meses de edad, realizada con transductor lineal de alta resolución, mostraba lesión predominantemente micro quística, con algunos quistes que superaban los 15 mm de diámetro.\n \n Se planificó realizar esclerosis seriada de la lesión, para lo cual se utilizó en 2 ocasiones + OK-432 y en las 2 siguientes Bleomicina. Todas se realizaron con 6-8 semanas de intervalo bajo anestesia general. El procedimiento consistió en el aspirado del contenido de los quistes de mayor tamaño e inyección de OK 432, en dosis de 0,1 mg disueltos en 10 cc de volumen total. Durante el primer procedimiento, al 4° día presentó un importante aumento de volumen e inició un cuadro de escarlatina, evolucionando con una disminución de la proyección de la mejilla e induración local. Similar procedimiento se realizó con la Bleomicina cuyas dosis no sobrepasaban 0,3-1 mg/kg por sesión. En las posteriores infiltraciones, presentó aumento de volumen más discreto y con menor reacción local.\n A la edad de 2 años 4 meses, con la lesión más circunscrita, se consideró que no tenía mayor beneficio continuar con las esclerosis y se planificó extirpación quirúrgica intralesional. Se utilizó abordaje externo submandibular derecho, con resección parcial de la lesión, la que comprometía espesor completo de la mejilla incluyendo musculatura facial y mucosa vestibular. A los 15 días post operatorio se inició tratamiento compresivo elástico y masoterapia, intentándose compresión externa con máscara de acrílico pero que fue mal tolerada por la paciente.\n \n La biopsia confirmó el diagnóstico de ML microquístico con intersticio fibroso e infiltración inflamatoria linfocitaria. Seis meses después se planificó nueva resección utilizando el mismo abordaje y extirpando lesión remanente hacia cefálico. En el post operatorio se mantuvieron las medidas de compresión facial previas a la cirugía.\n Después de varios años comenzó a presentar molestias en relación a lesiones vesiculares en vestíbulo oral que se mordía con frecuencia, siendo interpretadas como recidiva local de su ML. A los 9 años de edad, se realizó exéresis de la lesión con abordaje intraoral, cuya biopsia mostraba ML con fibrosis difusa. Dado el difícil manejo de la cicatrización intraoral ya que la paciente se mordía con frecuencia presentando sangramiento e inflamación local, se derivó a ortodoncia para manejo de su anomalía dentomaxilar y confección de un plano de apoyo intraoral.\n Se diseñó un aparato intraoral con prolongación vestibular completa que proporcionaba un buen plano de apoyo intraoral que potenciaba la compresión externa, Además se instaló aparatología ortodóncica fija en la zona dentaria anterosuperior para alinear y nivelar el sector incisivo. La compresión interna/externa se indicó por 15 h diarias, con controles del aparato y rebasado de acrílico de acuerdo al espacio que se iba produciendo en el vestíbulo.\n \n Dado que el seguimiento de los últimos 4 años no mostró recidiva local y la comisura oral derecha se encontraba descendida e inanimada, se programó una nueva cirugía para suspender la comisura derecha, ayudado por el soporte intraoral al que se le rebasa material semanalmente agregando una zona más alta que levanta y da soporte a la comisura.\n", "section_annotation": { "gold": [ { "end_offset": 230, "label": "PRESENT_ILLNESS", "segment": "Paciente que consultó al año de edad por un aumento de volumen progresivo en su mejilla derecha, con asimetría facial, descenso de comisura oral derecha, sin compromiso esqueletal, cuya clínica y radiología era compatible con ML. 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Tuvo adecuado incremento pondoestatural hasta los 9 meses (P/T –0,2 DS y T/E –0,5 DS), en que evolucionó con peso estacionario y caída en su curva de peso y talla (P/T –0,4 DS y T/E –0,8). Por presentar de modo intercurrente un cuadro de fiebre alta se solicitaron exámenes generales y de orina, compatibles con infección del tracto urinario. Los exámenes de sangre mostraron leucocitosis con desviación a izquierda y elevación severa de las FA (4.552 UI/l), calcio, fósforo y enzimas hepáticas en rango normal. Se solicitaron isoenzimas que revelaron predominio de la fracción ósea sobre la hepática de 96,3% a 3,7% respectivamente. Evolucionó con normalización de los niveles de FA a 269 UI/l a los 3 meses de seguimiento y recuperación de curva pondoestatural.\n", "section_annotation": { "gold": [ { "end_offset": 40, "label": "PRESENT_ILLNESS", "segment": "Lactante de 11 meses, de sexo femenino, ", "start_offset": 0 }, { "end_offset": 422, "label": "PAST_MEDICAL_HISTORY", "segment": "con antecedentes de alergia a la proteína de la leche de vaca, diagnosticada por historia clínica compatible y contrapruebas positivas, alimentada con lactancia materna y dieta hipoalergénica. Tuvo adecuado incremento pondoestatural hasta los 9 meses (P/T –0,2 DS y T/E –0,5 DS), en que evolucionó con peso estacionario y caída en su curva de peso y talla (P/T –0,4 DS y T/E –0,8). ", "start_offset": 40 }, { "end_offset": 576, "label": "PRESENT_ILLNESS", "segment": "Por presentar de modo intercurrente un cuadro de fiebre alta se solicitaron exámenes generales y de orina, compatibles con infección del tracto urinario. ", "start_offset": 422 }, { "end_offset": 867, "label": "EXPLORATION", "segment": "Los exámenes de sangre mostraron leucocitosis con desviación a izquierda y elevación severa de las FA (4.552 UI/l), calcio, fósforo y enzimas hepáticas en rango normal. Se solicitaron isoenzimas que revelaron predominio de la fracción ósea sobre la hepática de 96,3% a 3,7% respectivamente. ", "start_offset": 576 }, { "end_offset": 997, "label": "EVOLUTION", "segment": "Evolucionó con normalización de los niveles de FA a 269 UI/l a los 3 meses de seguimiento y recuperación de curva pondoestatural.\n", "start_offset": 867 } ] } }
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El resto del estudio no mostró alteración hepática, ni ósea, con hemograma, VHS, transaminasas, calcio, fósforo, hormona paratiroidea (PTH), niveles de 25-OH vit. D3 y cintigrafía ósea normales. El seguimiento de los niveles de FA al mes mostraron un leve ascenso con respecto al valor previo (5.857 UI/l), con buena recuperación clínica de cuadro febril intercurrente; a los 3 meses los valores disminuyeron a 631 UI/l, normalizándose a los 6 meses con un valor de 297 U/l.\n", "section_annotation": { "gold": [ { "end_offset": 195, "label": "PRESENT_ILLNESS", "segment": "Lactante de un año y 7 meses, de sexo femenino, previamente sana, buen incremento pondoestatural (P/T –0,4 DS y T/E 0,5 DS), que en el curso de cuadro febril prolongado con inapetencia y vómitos ", "start_offset": 0 }, { "end_offset": 582, "label": "EXPLORATION", "segment": "se solicitaron exámenes que mostraron elevación severa de la actividad de la FA (5.553 UI/l), la medición de isoenzimas evidenció predominio de la fracción ósea —75%— sobre la hepática —24%—. El resto del estudio no mostró alteración hepática, ni ósea, con hemograma, VHS, transaminasas, calcio, fósforo, hormona paratiroidea (PTH), niveles de 25-OH vit. D3 y cintigrafía ósea normales. ", "start_offset": 195 }, { "end_offset": 862, "label": "EVOLUTION", "segment": "El seguimiento de los niveles de FA al mes mostraron un leve ascenso con respecto al valor previo (5.857 UI/l), con buena recuperación clínica de cuadro febril intercurrente; a los 3 meses los valores disminuyeron a 631 UI/l, normalizándose a los 6 meses con un valor de 297 U/l.\n", "start_offset": 582 } ] } }
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gestacional, nacido vía cesárea por sepsis materna. Madre de 19 años de edad falleció en el puerperio inme diato por sepsis grave, sin antecedentes de consanguinidad, el embarazo fue controlado, el reporte de tres ultrasonidos durante la gestación no mostró signos de hidrops (derrame pleural, derrame pericárdico o asci tis). El peso al nacimiento fue de 2090g, APGAR fue de 6 al minuto y 6 a los 5 minutos. El examen clínico no mostró fenotipo que sugiera síndrome genético. Dos horas después del nacimiento presentó taquipnea y cianosis con dificultad respiratoria grave. 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Por ecocardiografía se diagnosticó comunicación interauricular (CIA) y persistencia de conducto arterioso (PCA) y fueron corregidas quirúrgicamente a los 30 días de vida extra uterina. La evolución fue satisfactoria, el seguimiento pediátrico a los 19 meses de edad reportó peso y talla adecuados para su edad, desarrollo psicomotor nor mal, sin cuadros infecciosos de la vía respiratoria in ferior, no requirió oxigeno suplementario; la TAC de tórax de control informó con engrosamiento intersti cial, bullas enfisematosas difusas pequeñas y mejoría con respecto a la TAC inicial,.\n", "section_annotation": { "gold": [ { "end_offset": 59, "label": "PRESENT_ILLNESS", "segment": "Recién nacido masculino de 33 semanas de edad gestacional, ", "start_offset": 0 }, { "end_offset": 98, "label": "PAST_MEDICAL_HISTORY", "segment": "nacido vía cesárea por sepsis materna. 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Se realizó biopsia pulmonar y por indicación de cirugía pediátrica lobectomía inferior izquierda. En el estudio histopatológico se observó dilatación quística de los canales linfáti cos broncovasculares,. Por ecocardiografía se diagnosticó comunicación interauricular (CIA) y persistencia de conducto arterioso (PCA) y fueron corregidas quirúrgicamente a los 30 días de vida extra uterina. ", "start_offset": 991 }, { "end_offset": 2174, "label": "EVOLUTION", "segment": "La evolución fue satisfactoria, el seguimiento pediátrico a los 19 meses de edad reportó peso y talla adecuados para su edad, desarrollo psicomotor nor mal, sin cuadros infecciosos de la vía respiratoria in ferior, no requirió oxigeno suplementario; la TAC de tórax de control informó con engrosamiento intersti cial, bullas enfisematosas difusas pequeñas y mejoría con respecto a la TAC inicial,.\n", "start_offset": 1776 } ] } }
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Derivado a dermatología por placa eritematosa levemente infiltrada en región peri e infraumbilical presente desde el nacimiento, con bordes bien definidos y descamación amarillenta superficial adherente en polo inferior, sin otros signos inflamatorios locales. Estudio ecográfico cutáneo reveló lesión dermoepidérmica hipoecogénica homogénea, con extensión leve a tejido subcutáneo y escasos vasos sinuosos en su segmento más profundo.\n Dado las características clínicas, se realizó biopsia incisional profunda que evidenció proliferación de células fusiformes delgadas en dermis e hipodermis, de morfología bifásica con un segmento dispuesto en un patrón arremolinado infiltrante y otro con bandas de células fusadas con hábitos fibroblástico y miofibroblástico, con ausencia de zona de Grenz. En profundidad, presentaba un componente de tejido adiposo maduro, sin signos de atipía. Epidermis madura, parcialmente atrófica. No se observaron necrosis ni mitosis atípicas. El estudio inmunohistoquímico de las células tumorales mos tró positividad intensa y difusa a CD34 y focal para FXIIIa, con ausencia de inmunoreactividad a actina, desmina, MyoD1, S100, HMB45, MelanA y EMA. Índice de proliferación con Ki67 moderado, con positividad en aproximadamente el 20% de las células. Se complementó estudio con FISH para PDGF beta y ETV6, los que resultaron negativos, excluyendo los diagnósticos diferenciales de dermatofobrosarcoma protuberans congénito y fibrosarcoma infantil, respec tivamente. Estos antecedentes, sumados a los hallazgos histológicos, fueron compatibles con el diagnóstico de HFI.\n Se realizó extirpación quirúrgica por equipo de ci rugía pediátrica, con readecuación umbilical mediante colgajos de rotación laterales. El estudio histológico e inmunohistoquímico sostuvo los hallazgos descritos previamente, comprometiendo márgenes de resección quirúrgica. Evolucionó sin signos de recidiva a los 7 meses de seguimiento.\n", "section_annotation": { "gold": [ { "end_offset": 54, "label": "PRESENT_ILLNESS", "segment": "Recién nacido de término 40 semanas, sexo mascu lino, ", "start_offset": 0 }, { "end_offset": 130, "label": "PAST_MEDICAL_HISTORY", "segment": "embarazo controlado, parto eutócico, sin antecedentes mórbidos perinatales. ", "start_offset": 54 }, { "end_offset": 391, "label": "DERIVED_FROM/TO", "segment": "Derivado a dermatología por placa eritematosa levemente infiltrada en región peri e infraumbilical presente desde el nacimiento, con bordes bien definidos y descamación amarillenta superficial adherente en polo inferior, sin otros signos inflamatorios locales. ", "start_offset": 130 }, { "end_offset": 1730, "label": "EXPLORATION", "segment": "Estudio ecográfico cutáneo reveló lesión dermoepidérmica hipoecogénica homogénea, con extensión leve a tejido subcutáneo y escasos vasos sinuosos en su segmento más profundo.\n Dado las características clínicas, se realizó biopsia incisional profunda que evidenció proliferación de células fusiformes delgadas en dermis e hipodermis, de morfología bifásica con un segmento dispuesto en un patrón arremolinado infiltrante y otro con bandas de células fusadas con hábitos fibroblástico y miofibroblástico, con ausencia de zona de Grenz. En profundidad, presentaba un componente de tejido adiposo maduro, sin signos de atipía. Epidermis madura, parcialmente atrófica. No se observaron necrosis ni mitosis atípicas. El estudio inmunohistoquímico de las células tumorales mos tró positividad intensa y difusa a CD34 y focal para FXIIIa, con ausencia de inmunoreactividad a actina, desmina, MyoD1, S100, HMB45, MelanA y EMA. Índice de proliferación con Ki67 moderado, con positividad en aproximadamente el 20% de las células. Se complementó estudio con FISH para PDGF beta y ETV6, los que resultaron negativos, excluyendo los diagnósticos diferenciales de dermatofobrosarcoma protuberans congénito y fibrosarcoma infantil, respec tivamente. Estos antecedentes, sumados a los hallazgos histológicos, fueron compatibles con el diagnóstico de HFI.\n ", "start_offset": 391 }, { "end_offset": 1867, "label": "TREATMENT", "segment": "Se realizó extirpación quirúrgica por equipo de ci rugía pediátrica, con readecuación umbilical mediante colgajos de rotación laterales. ", "start_offset": 1730 }, { "end_offset": 2005, "label": "EXPLORATION", "segment": "El estudio histológico e inmunohistoquímico sostuvo los hallazgos descritos previamente, comprometiendo márgenes de resección quirúrgica. ", "start_offset": 1867 }, { "end_offset": 2069, "label": "EVOLUTION", "segment": "Evolucionó sin signos de recidiva a los 7 meses de seguimiento.\n", "start_offset": 2005 } ] } }
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"boundary": null, "end_offset": 5447, "span": "hicieron", "start_offset": 5439 }, { "boundary": null, "end_offset": 5455, "span": "desear.", "start_offset": 5448 }, { "boundary": null, "end_offset": 5456, "span": "\n", "start_offset": 5455 } ] }, "note_id": "S0376-78922006000100006-1", "note_text": "Se presenta el caso de una joven de 17 años de edad que consultó a nuestro Servicio para lograr una mejoría estético funcional de su dedo pulgar de la mano izquierda. Había nacido con un dedo pulgar pequeño y sin función, unido al resto de la mano a través de un pequeño y delgado tubo de piel; durante la lactancia, había sido tratada en el Hospital Infantil donde le habían únicamente extirpado el área cutánea del pequeño tubo de unión a fin de lograr la implantación directa del apéndice pulgar en la mano.\n Cuando acude a nuestra consulta presenta un pulgar con implantación distal a nivel de la articulación metacarpofalangica del índice, con un primer espacio estrecho, sin capacidad motora de oposición ni flexo-extensión, pero con buena sensibilidad en ambos bordes del mismo. No presentaba eminencia tenar y no se palpaba el primer metacarpiano; además tenía ausencia de pulso radial pero sí se palpaba adecuadamente el pulso cubital. La parte funcional compensatoria la realizaba con alguna dificultad mediante una pinza dígito-digital lateral entre el índice y el medio. Se solicitaron estudios radiológicos que evidenciaron hipoplasia y fusión de las falanges, agenesia del primer metacarpiano, atrofia del trapecio y resto de huesos del carpo, así como también atrofia del radio; el estudio con doppler color revelo ausencia de la arteria radial con dilatación compensatoria de la arteria ulnar. Con este examen clínico se diagnosticó un típico pulgar flotante izquierdo parcialmente tratado.\n En su mano derecha dominante presentaba en el pulgar las siguientes anomalías: primer espacio estrecho, ausencia de los pliegues de flexión, ausencia de la eminencia tenar, imposibilidad para flexionar la articulación metacarpofalángica pero con buena movilidad pasiva de la misma, anquílosis de la articulación interfalángica; a pesar de todo esto había buena función del mismo. El estudio radiológico y con doppler color no evidenciaron anomalías óseas o vasculares. Con estos hallazgos podríamos clasificar el pulgar derecho en el grupo I de Blauth.\n No se detectaron otras anomalías corporales congénitas.\n Tratamiento y resultados\n Al reconstruir un pulgar se deben tener bien claros algunos objetivos generales que ayudarán a la funcionabilidad del mismo, como son lograr estabilidad, oposición, sensibilidad, darle una longitud adecuada, darle movilidad en lo posible y un buen aspecto estético.\n En la reconstrucción de un pulgar flotante existen dos conductas básicamente opuestas, que deben discutirse ampliamente con los padres y con el paciente si éste se encuentra en una edad de comprender.\n Desde el punto de vista práctico se trata de decidir entre una de las siguientes actitudes terapéuticas:\n Amputación y reconstrucción:\n La amputación del pulgar flotante conducirá a una aplasia que necesitará una reconstrucción con técnicas microquirúrgicas tales como pulgarización del índice que se realiza con buenos resultados desde 1964 ( 3,4), o la transferencia de un ortejo, técnica que conlleva muchos riesgos sobre todo cuando no se tiene un buen entrenamiento en microcirugía (5,6) o no se cuenta con la infraestructura idonea. En teoría, son las técnicas que mejor resultado estético-funcional producen.\n Conservación y estabilización:\n Son posibles tres tipos de conducta dependiendo del tipo de patología según la clasificación de Blauth\n -Estabilización de la articulación metacarpofalángica. -Estabilización de la metacarpofalángica más una transferencia de oposición. - Reconstrucción del metacarpiano con una transferencia ósea vascularizada o no.\n En nuestra paciente, una vez hecho el diagnóstico e identificados los problemas, se plantearon a la madre y a la paciente las conductas quirúrgicas presentadas anteriormente, pero en definitiva fue sumamente difícil convencerlas de amputar el pulgar vestigial y reconstruirlo con una pulgarización del índice, por lo que se tomó la decisión de reconstrucción y estabilización del metacarpiano.\n Debido a que la posibilidad de efectuar, por ejemplo, una transferencia con colgajo óseo del tercio distal del radio nutrido por la rama perforante superior de la arteria ínterósea anterior a flujo retrogrado (7), no era viable por las anomalías vasculares observadas con el doppler, se optó por la toma de un injerto óseo convencional a pesar del riesgo de reabsorción que puede presentarse a largo plazo. Para no cambiar de campo operatorio se cosechó el injerto óseo del olécranon ipsilateral; después se estabilizó a nivel del trapecio vestigial con una miniplaca y a nivel de las falanges con alambre, logrando darle al neo-pulgar orientación en oposición. Para mantener estable esta posición y evitar futuros desplazamientos se decidió efectuar la transferencia del músculo abductor del meñique para fijarlo al neo-metacarpiano y reforzar o estabilizar la oposición del pulgar, así como para tratar de aumentar el volumen y por ende la estética del área tenar. La cirugía se efectuó con un bloqueo regional bajo torniquete neumático.\n No se presentaron complicaciones postoperatorias\n La paciente fue remitida al Servicio de Fisioterapia para el diseño de una ortesis funcional y posteriormente, para el inicio de reeducación funcional.\n Psicológicamente la paciente ha respondido de forma positiva ya que ha logrado darle utilidad a su nuevo pulgar y éste ha mejorado en su aspecto estético, aunque no es el aspecto que sus expectativas, normales o no, le hicieron desear.\n", "section_annotation": { "gold": [ { "end_offset": 167, "label": "PRESENT_ILLNESS", "segment": "Se presenta el caso de una joven de 17 años de edad que consultó a nuestro Servicio para lograr una mejoría estético funcional de su dedo pulgar de la mano izquierda. 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La parte funcional compensatoria la realizaba con alguna dificultad mediante una pinza dígito-digital lateral entre el índice y el medio. Se solicitaron estudios radiológicos que evidenciaron hipoplasia y fusión de las falanges, agenesia del primer metacarpiano, atrofia del trapecio y resto de huesos del carpo, así como también atrofia del radio; el estudio con doppler color revelo ausencia de la arteria radial con dilatación compensatoria de la arteria ulnar. Con este examen clínico se diagnosticó un típico pulgar flotante izquierdo parcialmente tratado.\n En su mano derecha dominante presentaba en el pulgar las siguientes anomalías: primer espacio estrecho, ausencia de los pliegues de flexión, ausencia de la eminencia tenar, imposibilidad para flexionar la articulación metacarpofalángica pero con buena movilidad pasiva de la misma, anquílosis de la articulación interfalángica; a pesar de todo esto había buena función del mismo. El estudio radiológico y con doppler color no evidenciaron anomalías óseas o vasculares. 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En teoría, son las técnicas que mejor resultado estético-funcional producen.\n Conservación y estabilización:\n Son posibles tres tipos de conducta dependiendo del tipo de patología según la clasificación de Blauth\n -Estabilización de la articulación metacarpofalángica. -Estabilización de la metacarpofalángica más una transferencia de oposición. - Reconstrucción del metacarpiano con una transferencia ósea vascularizada o no.\n En nuestra paciente, una vez hecho el diagnóstico e identificados los problemas, se plantearon a la madre y a la paciente las conductas quirúrgicas presentadas anteriormente, pero en definitiva fue sumamente difícil convencerlas de amputar el pulgar vestigial y reconstruirlo con una pulgarización del índice, por lo que se tomó la decisión de reconstrucción y estabilización del metacarpiano.\n Debido a que la posibilidad de efectuar, por ejemplo, una transferencia con colgajo óseo del tercio distal del radio nutrido por la rama perforante superior de la arteria ínterósea anterior a flujo retrogrado (7), no era viable por las anomalías vasculares observadas con el doppler, se optó por la toma de un injerto óseo convencional a pesar del riesgo de reabsorción que puede presentarse a largo plazo. 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}, { "boundary": null, "end_offset": 1758, "span": "\n", "start_offset": 1757 } ] }, "note_id": "S0376-78922006000100010-1", "note_text": "Mujer de 85 años con historia de carcinoma basocelular recidivado a nivel del pabellón auricular derecho.\n El tratamiento inicial, realizado en mayo de 2001, consistió en una extirpación local de la lesión. La paciente siguió revisiones periódicas y a los 2 años presentó una recidiva local más una tumoración a nivel submandibular derecho. Se solicitó citología de la tumoración mediante punción aspiración con aguja fina, que fue informada como positiva para células malignas, compatible con metástasis de carcinoma basocelular.\n En la Tomografía Axial Computerizada (TAC) se aprecia un engrosamiento de los tejidos blandos del pabellón auricular derecho en relación con el antecedente de neoplasia previa. También se objetiva una imagen nodular de 1.5 cm. de diámetro situada a nivel infraparotídeo, con necrosis central y que impresiona de adenopatía locoregional. El resto de la exploración fue normal.\n \n En junio del 2003 se realizó resección parcial del lóbulo superficial de la parótida, un vaciamiento cervical derecho selectivo confinado a las zonas 2 y 3 y extirpación de la mitad inferior del pabellón auricular que incluía la recidiva local.\n La anatomía patológica final informó la tumoración como una metástasis de carcinoma basocelular de subtipo infiltrante que afectaba a la glándula parótida con márgenes de resección libres.\n En la pieza del vaciamiento cervical, de los 10 ganglios cervicales aislados, 2 estaban afectados.\n La recidiva local del pabellón auricular también se informó como epitelioma basocelular infiltrante con márgenes libres.\n La paciente fue remitida para tratamiento complementario con radioterapia, a lo que se negó.\n En el momento de esta publicación no existe evidencia de recurrencia y la paciente sigue viva.\n", "section_annotation": { "gold": [ { "end_offset": 107, "label": "PRESENT_ILLNESS", "segment": "Mujer de 85 años con historia de carcinoma basocelular recidivado a nivel del pabellón auricular derecho.\n ", "start_offset": 0 }, { "end_offset": 207, "label": "TREATMENT", "segment": "El tratamiento inicial, realizado en mayo de 2001, consistió en una extirpación local de la lesión. ", "start_offset": 107 }, { "end_offset": 341, "label": "EVOLUTION", "segment": "La paciente siguió revisiones periódicas y a los 2 años presentó una recidiva local más una tumoración a nivel submandibular derecho. ", "start_offset": 207 }, { "end_offset": 911, "label": "EXPLORATION", "segment": "Se solicitó citología de la tumoración mediante punción aspiración con aguja fina, que fue informada como positiva para células malignas, compatible con metástasis de carcinoma basocelular.\n En la Tomografía Axial Computerizada (TAC) se aprecia un engrosamiento de los tejidos blandos del pabellón auricular derecho en relación con el antecedente de neoplasia previa. También se objetiva una imagen nodular de 1.5 cm. de diámetro situada a nivel infraparotídeo, con necrosis central y que impresiona de adenopatía locoregional. El resto de la exploración fue normal.\n \n ", "start_offset": 341 }, { "end_offset": 1157, "label": "TREATMENT", "segment": "En junio del 2003 se realizó resección parcial del lóbulo superficial de la parótida, un vaciamiento cervical derecho selectivo confinado a las zonas 2 y 3 y extirpación de la mitad inferior del pabellón auricular que incluía la recidiva local.\n ", "start_offset": 911 }, { "end_offset": 1569, "label": "EXPLORATION", "segment": "La anatomía patológica final informó la tumoración como una metástasis de carcinoma basocelular de subtipo infiltrante que afectaba a la glándula parótida con márgenes de resección libres.\n En la pieza del vaciamiento cervical, de los 10 ganglios cervicales aislados, 2 estaban afectados.\n La recidiva local del pabellón auricular también se informó como epitelioma basocelular infiltrante con márgenes libres.\n ", "start_offset": 1157 }, { "end_offset": 1663, "label": "TREATMENT", "segment": "La paciente fue remitida para tratamiento complementario con radioterapia, a lo que se negó.\n ", "start_offset": 1569 }, { "end_offset": 1758, "label": "EVOLUTION", "segment": "En el momento de esta publicación no existe evidencia de recurrencia y la paciente sigue viva.\n", "start_offset": 1663 } ] } }
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izquierda de dos días de evolución tras punción con una aguja en la palma de la mano. A la exploración física se objetiva dolor a la palpación en el trayecto flexor del 2º y 3er. radios y una actitud de los dedos en hiperextensión, por probable rotura tendinosa.\n \n Los hallazgos ecográficos revelaron un área hipoecogénica rodeando los tendones flexores a lo largo del 2º y 3er. radio desde la articulación metacarpofalángica hasta la falange distal, una desestructuración del flexor profundo y una sinovial engrosada hipervascularizada en el doppler color. 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", "start_offset": 91 }, { "end_offset": 726, "label": "EXPLORATION", "segment": "A la exploración física se objetiva dolor a la palpación en el trayecto flexor del 2º y 3er. radios y una actitud de los dedos en hiperextensión, por probable rotura tendinosa.\n \n Los hallazgos ecográficos revelaron un área hipoecogénica rodeando los tendones flexores a lo largo del 2º y 3er. radio desde la articulación metacarpofalángica hasta la falange distal, una desestructuración del flexor profundo y una sinovial engrosada hipervascularizada en el doppler color. ", "start_offset": 253 }, { "end_offset": 819, "label": "TREATMENT", "segment": "Se realizó drenaje abierto de gran cantidad de pus mediante incisiones volares tipo Brunner.\n", "start_offset": 726 } ] } }
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la paciente refería molestias físicas, psíquicas y dificultades para vestirse y para realizar ejercicios físicos, que hacían del cuadro una situación insostenible para el desarrollo de su vida cotidiana.\n Se practicó examen anatomopatológico de biopsia obtenida por punción aspiración, encontrando una proliferación mamaria tisular tanto del estroma como del epitelio, con dificultad para diferenciarla de los patrones de fibroadenoma filoides Las propuestas terapéuticas hormonales se excluyeron, como ya hemos explicado, por sus posibles efectos secundarios. El tratamiento realizado consistió en una mamoplastia reductora siguiendo el patrón de Wise en el marcaje dérmico; tallamos un amplio colgajo horizontal bipediculado cuya desepidermización se aprovechó para disminuir el tamaño de las areolas, que trasladamos a su nueva ubicación conservando la sensibilidad y evitando así el injerto libre tipo Thoreck.\n Empleamos el material autólogo de los colgajos a modo de relleno, evitando de esta manera también el uso de prótesis.\n La resección en la mama derecha fue de 1.050 gr. de peso y en la izquierda llegó a los 1.800 gr.\n Colocamos drenajes en ambas mamas que fueron retirados a las 48h. y la paciente fue dada de alta hospitalaria con una buena evolución, sin complicaciones y con el mismo diagnóstico anatomopatológico de hipertrofia con patrón proliferativo del estroma y epitelio a modo de fibroadenoma filoides.\n \n El aspecto del resultado reciente, a los pocos meses de la intervención, podemos verlo en las Figuras 3: en él se aprecian unas mamas voluminosas aun para el tamaño y edad de la paciente, pero con una diferencia notable respecto a la situación previa.\n \n El resultado más tardío, ya con 17 años y 6 meses de edad de la paciente, presenta un tamaño y una forma de las mamas más proporcionados a la edad y a las circunstancias de la paciente; ha mejorado el aspecto dérmico y vascular de sus mamas y no ha habido recurrencia del cuadro, mantiene la sensibilidad de los complejos areolares, las cicatrices son muy aceptables por su discreción y la satisfacción de la paciente le lleva a rechazar cualquier retoque de mejora.\n \n", "section_annotation": { "gold": [ { "end_offset": 408, "label": "PRESENT_ILLNESS", "segment": "Paciente de 12 años de edad cuyo aspecto en el momento del diagnóstico es el que se muestra en la Figura 1; además de alteraciones dermatológicas, marcado plexo venoso subdérmico y asimetría de volumen, la paciente refería molestias físicas, psíquicas y dificultades para vestirse y para realizar ejercicios físicos, que hacían del cuadro una situación insostenible para el desarrollo de su vida cotidiana.\n ", "start_offset": 0 }, { "end_offset": 647, "label": "EXPLORATION", "segment": "Se practicó examen anatomopatológico de biopsia obtenida por punción aspiración, encontrando una proliferación mamaria tisular tanto del estroma como del epitelio, con dificultad para diferenciarla de los patrones de fibroadenoma filoides ", "start_offset": 408 }, { "end_offset": 1402, "label": "TREATMENT", "segment": "Las propuestas terapéuticas hormonales se excluyeron, como ya hemos explicado, por sus posibles efectos secundarios. El tratamiento realizado consistió en una mamoplastia reductora siguiendo el patrón de Wise en el marcaje dérmico; tallamos un amplio colgajo horizontal bipediculado cuya desepidermización se aprovechó para disminuir el tamaño de las areolas, que trasladamos a su nueva ubicación conservando la sensibilidad y evitando así el injerto libre tipo Thoreck.\n Empleamos el material autólogo de los colgajos a modo de relleno, evitando de esta manera también el uso de prótesis.\n La resección en la mama derecha fue de 1.050 gr. de peso y en la izquierda llegó a los 1.800 gr.\n Colocamos drenajes en ambas mamas que fueron retirados a las 48h. ", "start_offset": 647 }, { "end_offset": 2358, "label": "EVOLUTION", "segment": "y la paciente fue dada de alta hospitalaria con una buena evolución, sin complicaciones y con el mismo diagnóstico anatomopatológico de hipertrofia con patrón proliferativo del estroma y epitelio a modo de fibroadenoma filoides.\n \n El aspecto del resultado reciente, a los pocos meses de la intervención, podemos verlo en las Figuras 3: en él se aprecian unas mamas voluminosas aun para el tamaño y edad de la paciente, pero con una diferencia notable respecto a la situación previa.\n \n El resultado más tardío, ya con 17 años y 6 meses de edad de la paciente, presenta un tamaño y una forma de las mamas más proporcionados a la edad y a las circunstancias de la paciente; ha mejorado el aspecto dérmico y vascular de sus mamas y no ha habido recurrencia del cuadro, mantiene la sensibilidad de los complejos areolares, las cicatrices son muy aceptables por su discreción y la satisfacción de la paciente le lleva a rechazar cualquier retoque de mejora.\n \n", "start_offset": 1402 } ] } }
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"span": "aún", "start_offset": 2094 }, { "boundary": null, "end_offset": 2108, "span": "conociendo", "start_offset": 2098 }, { "boundary": null, "end_offset": 2112, "span": "sus", "start_offset": 2109 }, { "boundary": null, "end_offset": 2122, "span": "limitados", "start_offset": 2113 }, { "boundary": null, "end_offset": 2134, "span": "beneficios.", "start_offset": 2123 }, { "boundary": null, "end_offset": 2135, "span": "\n", "start_offset": 2134 } ] }, "note_id": "S0376-78922007000400009-1", "note_text": "Presentamos el caso de un varón de 56 años de edad con historia de 35 años de abuso de alcohol y sin otra patología asociada. El paciente acudió a nuestro Servicio de Cirugía Plástica y Reparadora del Hospital Carlos Haya de Málaga (España) presentando masas en hombros, mamas y flancos que habían aumentado de tamaño de forma progresiva y rápida durante los últimos dos años y medio, que le dificultaban la movilidad y por tanto su actividad laboral.\n El examen físico reveló masas no dolorosas de consistencia blanda, sin bordes bien definidos, localizadas en ambos hombros, mamas, fosas lumbares y flancos sin afectación cervical (Collar de Madelung).\n \n En el estudio radiológico mediante secuencias axiales de Tomografía Axial Computerizada (TAC) se apreciaba un exceso de depósito graso de distribución homogénea no encapsulada (difusa) sobre los hombros, mamas y cintura abdominal, sin afectación de las estructuras profundas. Asimismo, no se encontraron depósitos grasos de localización mesentérica o mediastínica, ni a nivel cervical anterior o posterior. Dado que el paciente había sido intervenido de hernia inguinal y eventración se realizó una Resonancia Magnética Nuclear (RMN) abdominal para valorar la integridad de la pared abdominal. Se realizaron cortes en los tres planos del espacio con secuencias potenciadas en SE T1, TSE T2 y Stir, visualizándose una correcta disposición de la musculatura abdominal, un importante aumento difuso del tejido celular subcutáneo adiposo abdominal y ausencia de grasa intrabdominal.\n \n El estudio histopatológico informó de depósitos grasos no encapsulados con adipocitos no patológicos.\n Tras completar estos datos con la anamnesis y la exploración física, el diagnóstico definitivo fue de Enfermedad de Madelung o Lipomatosis Simétrica Benigna tipo II.\n El tratamiento quirúrgico propuesto fue la liposucción de los cúmulos grasos localizados en abdomen, área lumbar y hombros y la dermolipectomía en ambas mamas. El paciente rehusó ambos procedimientos, por lo que se le aconsejó entonces la pérdida de peso y la abstinencia alcohólica, aún conociendo sus limitados beneficios.\n", "section_annotation": { "gold": [ { "end_offset": 51, "label": "PRESENT_ILLNESS", "segment": "Presentamos el caso de un varón de 56 años de edad ", "start_offset": 0 }, { "end_offset": 126, "label": "PAST_MEDICAL_HISTORY", "segment": "con historia de 35 años de abuso de alcohol y sin otra patología asociada. ", "start_offset": 51 }, { "end_offset": 453, "label": "PRESENT_ILLNESS", "segment": "El paciente acudió a nuestro Servicio de Cirugía Plástica y Reparadora del Hospital Carlos Haya de Málaga (España) presentando masas en hombros, mamas y flancos que habían aumentado de tamaño de forma progresiva y rápida durante los últimos dos años y medio, que le dificultaban la movilidad y por tanto su actividad laboral.\n ", "start_offset": 126 }, { "end_offset": 1810, "label": "EXPLORATION", "segment": "El examen físico reveló masas no dolorosas de consistencia blanda, sin bordes bien definidos, localizadas en ambos hombros, mamas, fosas lumbares y flancos sin afectación cervical (Collar de Madelung).\n \n En el estudio radiológico mediante secuencias axiales de Tomografía Axial Computerizada (TAC) se apreciaba un exceso de depósito graso de distribución homogénea no encapsulada (difusa) sobre los hombros, mamas y cintura abdominal, sin afectación de las estructuras profundas. Asimismo, no se encontraron depósitos grasos de localización mesentérica o mediastínica, ni a nivel cervical anterior o posterior. Dado que el paciente había sido intervenido de hernia inguinal y eventración se realizó una Resonancia Magnética Nuclear (RMN) abdominal para valorar la integridad de la pared abdominal. Se realizaron cortes en los tres planos del espacio con secuencias potenciadas en SE T1, TSE T2 y Stir, visualizándose una correcta disposición de la musculatura abdominal, un importante aumento difuso del tejido celular subcutáneo adiposo abdominal y ausencia de grasa intrabdominal.\n \n El estudio histopatológico informó de depósitos grasos no encapsulados con adipocitos no patológicos.\n Tras completar estos datos con la anamnesis y la exploración física, el diagnóstico definitivo fue de Enfermedad de Madelung o Lipomatosis Simétrica Benigna tipo II.\n ", "start_offset": 453 }, { "end_offset": 2135, "label": "TREATMENT", "segment": "El tratamiento quirúrgico propuesto fue la liposucción de los cúmulos grasos localizados en abdomen, área lumbar y hombros y la dermolipectomía en ambas mamas. El paciente rehusó ambos procedimientos, por lo que se le aconsejó entonces la pérdida de peso y la abstinencia alcohólica, aún conociendo sus limitados beneficios.\n", "start_offset": 1810 } ] } }
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mano izquierda de 7 x 7 cm de diámetro con bordes muy contundidos y que sobrepasaba la articulación metacarpofalangica del 2º dedo. Asimismo, encontramos una exposición de los tendones extensores del 2º y 3º dedos con ruptura del extensor del 2º, así como exposición de la musculatura interósea dorsal de 1º y 2º dedos. No había déficit neurovascular ni fracturas asociadas.\n \n Tras una primera cura realizada a su ingreso, con retirada de tejidos desvitalizados y reparación del tendón extensor del 2º dedo, nos planteamos cómo realizar la cobertura del defecto, optando por una reconstrucción mediante un colgajo interóseo posterior de transferencia libre. 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Había sido operada 3 años antes en nuestro Servicio por presentar una úlcera sacra, realizándose un colgajo glúteo. Desde entonces no había presentado ninguna recidiva debido a su buena higiene postural domiciliaria.\n Seis meses antes de acudir de nuevo a nuestro Servicio, sufrió una fractura de fémur, por lo que tuvo que portar una férula pelvi-pédica de yeso. La imposibilidad de movilización y de cambios posturales que la paciente realizaba habitualmente en su domicilio, le ocasionaron la aparición de una gran úlcera en la región sacra, motivo por el cual fue remitida a nuestra consulta para valoración. Presentaba en ese momento una gran úlcera isquiotroncantéreo-sacra de unos 20 x 25 cm, con trayecto fistuloso hacia pala iliaca y que en algunas zonas profundizaba hasta plano óseo con exposición del sacro. Se recomendó ingreso hospitalario que la paciente rechazó por motivos personales, acudiendo de nuevo a las 3 semanas, momento en que la úlcera medía ya 24 x 30 cm.\n Durante el ingreso y debido a la gran úlcera que presentaba se le realizó una colostomía. La paciente tenía un mal estado general, con alteraciones analíticas importantes tanto en las cifras de hematocrito como en las de proteínas totales, por lo que se tuvo que iniciar nutrición parenteral para remontar su estado general.\n Para cerrar el gran defecto que presentaba fue intervenida y se le realizó un colgajo póstero-medial de muslo, para lo cual procedimos a desbridar la úlcera y cubrirla posteriormente mediante el colgajo anteriormente descrito como alternativa a la desarticulación de la cadera.\n La intervención duró unas 5 horas y se desarrolló sin contratiempos. La zona donante del colgajo se cerró directamente en su mayor parte, teniendo que cubrir solo la porción distal con un injerto de piel parcial tomado del muslo contralateral. Durante el postoperatorio la paciente permaneció en la UCI 2 días para control de su situación metabólica, tras lo que fue trasladada de nuevo a planta hospitalaria.\n \n A los 15 días, el colgajo presentaba buen estado, con adecuado relleno capilar. A pesar de ello, el estado general de la paciente empezó a deteriorarse. Comenzó con una insuficiencia hepato-renal progresiva que tras un diagnóstico exhaustivo por el Servicio de Medicina Interna se catalogó como secundaria a alteraciones biliopancreáticas derivadas de la nutrición parenteral. Tras valoración por el Servicio de Nefrología, se inició tratamiento con diálisis, que mejoró las cifras de creatinina aunque se manifestó una hipoproteinemia severa que no se consiguió remontar. A la cuarta semana de postoperatorio, la paciente presentó fiebre alta de origen desconocido que evolucionó a sepsis y fracaso multiorgánico que provocaron el fallecimiento.\n", "section_annotation": { "gold": [ { "end_offset": 66, "label": "PRESENT_ILLNESS", "segment": "Presentamos el caso de una paciente de 41 años de edad, fumadora, ", "start_offset": 0 }, { "end_offset": 393, "label": "PAST_MEDICAL_HISTORY", "segment": "con antecedentes de mielomelingocele congénito y paraplejia secundaria y con una nefrostomía en la infancia. Había sido operada 3 años antes en nuestro Servicio por presentar una úlcera sacra, realizándose un colgajo glúteo. Desde entonces no había presentado ninguna recidiva debido a su buena higiene postural domiciliaria.\n ", "start_offset": 66 }, { "end_offset": 788, "label": "PRESENT_ILLNESS", "segment": "Seis meses antes de acudir de nuevo a nuestro Servicio, sufrió una fractura de fémur, por lo que tuvo que portar una férula pelvi-pédica de yeso. La imposibilidad de movilización y de cambios posturales que la paciente realizaba habitualmente en su domicilio, le ocasionaron la aparición de una gran úlcera en la región sacra, motivo por el cual fue remitida a nuestra consulta para valoración. ", "start_offset": 393 }, { "end_offset": 995, "label": "EXPLORATION", "segment": "Presentaba en ese momento una gran úlcera isquiotroncantéreo-sacra de unos 20 x 25 cm, con trayecto fistuloso hacia pala iliaca y que en algunas zonas profundizaba hasta plano óseo con exposición del sacro. ", "start_offset": 788 }, { "end_offset": 1160, "label": "EVOLUTION", "segment": "Se recomendó ingreso hospitalario que la paciente rechazó por motivos personales, acudiendo de nuevo a las 3 semanas, momento en que la úlcera medía ya 24 x 30 cm.\n ", "start_offset": 995 }, { "end_offset": 1250, "label": "TREATMENT", "segment": "Durante el ingreso y debido a la gran úlcera que presentaba se le realizó una colostomía. ", "start_offset": 1160 }, { "end_offset": 1486, "label": "EVOLUTION", "segment": "La paciente tenía un mal estado general, con alteraciones analíticas importantes tanto en las cifras de hematocrito como en las de proteínas totales, por lo que se tuvo que iniciar nutrición parenteral para remontar su estado general.\n ", "start_offset": 1250 }, { "end_offset": 2009, "label": "TREATMENT", "segment": "Para cerrar el gran defecto que presentaba fue intervenida y se le realizó un colgajo póstero-medial de muslo, para lo cual procedimos a desbridar la úlcera y cubrirla posteriormente mediante el colgajo anteriormente descrito como alternativa a la desarticulación de la cadera.\n La intervención duró unas 5 horas y se desarrolló sin contratiempos. La zona donante del colgajo se cerró directamente en su mayor parte, teniendo que cubrir solo la porción distal con un injerto de piel parcial tomado del muslo contralateral. ", "start_offset": 1486 }, { "end_offset": 2555, "label": "EVOLUTION", "segment": "Durante el postoperatorio la paciente permaneció en la UCI 2 días para control de su situación metabólica, tras lo que fue trasladada de nuevo a planta hospitalaria.\n \n A los 15 días, el colgajo presentaba buen estado, con adecuado relleno capilar. A pesar de ello, el estado general de la paciente empezó a deteriorarse. Comenzó con una insuficiencia hepato-renal progresiva que tras un diagnóstico exhaustivo por el Servicio de Medicina Interna se catalogó como secundaria a alteraciones biliopancreáticas derivadas de la nutrición parenteral. ", "start_offset": 2009 }, { "end_offset": 2751, "label": "TREATMENT", "segment": "Tras valoración por el Servicio de Nefrología, se inició tratamiento con diálisis, que mejoró las cifras de creatinina aunque se manifestó una hipoproteinemia severa que no se consiguió remontar. 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"actualidad", "start_offset": 3446 }, { "boundary": null, "end_offset": 3460, "span": "una", "start_offset": 3457 }, { "boundary": null, "end_offset": 3466, "span": "buena", "start_offset": 3461 }, { "boundary": null, "end_offset": 3474, "span": "función", "start_offset": 3467 }, { "boundary": null, "end_offset": 3477, "span": "de", "start_offset": 3475 }, { "boundary": null, "end_offset": 3480, "span": "la", "start_offset": 3478 }, { "boundary": null, "end_offset": 3486, "span": "mano.", "start_offset": 3481 }, { "boundary": null, "end_offset": 3489, "span": "\n \n", "start_offset": 3486 } ] }, "note_id": "S0376-78922009000100012-1", "note_text": "Varón de 55 años y sin antecedentes previos de interés. Diez meses antes de la consulta comenzó con inflamación progresiva pero indolora en el cuarto dedo de la mano derecha. La inflamación dio lugar a un déficit funcional, con imposibilidad para realizar la flexoextensión del dedo afectado. El estudio radiográfico mostró una pérdida de definición de la cortical anterior en la base de la falange proximal del cuarto dedo, junto con un aumento de partes blandas que parecía presentar una incipiente calcificación que se extendía distalmente por la cara palmar de la falange; no se vio lesión intramedular.\n \n Se practicó biopsia incisional, cuyo diagnóstico anatomopatológico fue de periostitis reactiva florida.\n El paciente fue remitido a nuestro Servicio en donde se comprobó la existencia de una masa en la falange proximal del cuarto dedo con inflamación y tumefacción. No se encontraron signos locorregionales de infección. La movilidad en todas las articulaciones del dedo estaba afectada, existiendo una impotencia funcional absoluta. El paciente refería dolor con parestesias en el territorio del nervio colateral cubital.\n El estudio radiográfico mostró un estadio evolutivo de la lesión con respecto al primer estudio, en el que la calcificación de las partes blandas de la zona palmar de falange proximal se había hecho más ostensible, extendiéndose a lo largo de la falange. Aparecía una clara reacción perióstica en la base de la falange que parecía conectar con la calcificación pero que además, se extendía al lado opuesto. Es interesante señalar también que se apreciaba una reacción perióstica sólida de borde irregular en la falange media.\n En el estudio radiográfico preoperatorio la calcificación en la base de la falange media se volvió más definida y grande, abarcando toda la extensión de la falange.\n \n El estudio mediante Resonancia Magnética (RM) permitió apreciar una lesión de partes blandas que englobaba los tendones flexores y contactaba con el periostio de la falange proximal. Era hipointensa en T1, hiperintensa en T2 y realzaba de forma homogénea con Gadolinio. En su margen palmar presentaba un reborde hipointenso que pudiera representar calcificación. No se apreciaron vacíos de señal internos, por lo que el patrón de calcificación debería ir unido a una matriz celular (lo que sugiere tumor o psedotumor). En los márgenes laterales de la falange se visualizaron levantamientos periostios, así como un componente de partes blandas que desplazaba al tendón extensor. En los cortes sagitales se evidenció que la medular ósea estaba respetada y que la cortical anterior no estaba infiltrada pero si mostraba un ligero festoneado en su superficie externa.\n \n La lesión fue extirpada realizando una amputación estética del 4º radio de la mano derecha por el déficit funcional del dedo.\n \n El estudio anatomopatológico de la pieza de amputación señaló la existencia entre el tendón flexor y la superficie de la primera falange, de hueso maduro con intensos fenómenos de remodelación. En el centro del mencionado hueso existía una proliferación fibroblástica con casi total ausencia de mitosis, que diferenciaba pequeñas cantidades de osteoide. Al comparar esta biopsia con la previa o diagnóstica, se observó una mayor celularidad, con discreta atipia celular y mayor actividad mitótica.\n \n La evolución del paciente fue satisfactoria y la lesión no ha recidivado tras 8 años de seguimiento, conservando en la actualidad una buena función de la mano.\n \n", "section_annotation": { "gold": [ { "end_offset": 17, "label": "PRESENT_ILLNESS", "segment": "Varón de 55 años ", "start_offset": 0 }, { "end_offset": 56, "label": "PAST_MEDICAL_HISTORY", "segment": "y sin antecedentes previos de interés. ", "start_offset": 17 }, { "end_offset": 293, "label": "PRESENT_ILLNESS", "segment": "Diez meses antes de la consulta comenzó con inflamación progresiva pero indolora en el cuarto dedo de la mano derecha. La inflamación dio lugar a un déficit funcional, con imposibilidad para realizar la flexoextensión del dedo afectado. ", "start_offset": 56 }, { "end_offset": 716, "label": "EXPLORATION", "segment": "El estudio radiográfico mostró una pérdida de definición de la cortical anterior en la base de la falange proximal del cuarto dedo, junto con un aumento de partes blandas que parecía presentar una incipiente calcificación que se extendía distalmente por la cara palmar de la falange; no se vio lesión intramedular.\n \n Se practicó biopsia incisional, cuyo diagnóstico anatomopatológico fue de periostitis reactiva florida.\n ", "start_offset": 293 }, { "end_offset": 877, "label": "DERIVED_FROM/TO", "segment": "El paciente fue remitido a nuestro Servicio en donde se comprobó la existencia de una masa en la falange proximal del cuarto dedo con inflamación y tumefacción. ", "start_offset": 716 }, { "end_offset": 2697, "label": "EXPLORATION", "segment": "No se encontraron signos locorregionales de infección. La movilidad en todas las articulaciones del dedo estaba afectada, existiendo una impotencia funcional absoluta. El paciente refería dolor con parestesias en el territorio del nervio colateral cubital.\n El estudio radiográfico mostró un estadio evolutivo de la lesión con respecto al primer estudio, en el que la calcificación de las partes blandas de la zona palmar de falange proximal se había hecho más ostensible, extendiéndose a lo largo de la falange. Aparecía una clara reacción perióstica en la base de la falange que parecía conectar con la calcificación pero que además, se extendía al lado opuesto. Es interesante señalar también que se apreciaba una reacción perióstica sólida de borde irregular en la falange media.\n En el estudio radiográfico preoperatorio la calcificación en la base de la falange media se volvió más definida y grande, abarcando toda la extensión de la falange.\n \n El estudio mediante Resonancia Magnética (RM) permitió apreciar una lesión de partes blandas que englobaba los tendones flexores y contactaba con el periostio de la falange proximal. Era hipointensa en T1, hiperintensa en T2 y realzaba de forma homogénea con Gadolinio. En su margen palmar presentaba un reborde hipointenso que pudiera representar calcificación. No se apreciaron vacíos de señal internos, por lo que el patrón de calcificación debería ir unido a una matriz celular (lo que sugiere tumor o psedotumor). En los márgenes laterales de la falange se visualizaron levantamientos periostios, así como un componente de partes blandas que desplazaba al tendón extensor. En los cortes sagitales se evidenció que la medular ósea estaba respetada y que la cortical anterior no estaba infiltrada pero si mostraba un ligero festoneado en su superficie externa.\n \n ", "start_offset": 877 }, { "end_offset": 2826, "label": "TREATMENT", "segment": "La lesión fue extirpada realizando una amputación estética del 4º radio de la mano derecha por el déficit funcional del dedo.\n \n ", "start_offset": 2697 }, { "end_offset": 3323, "label": "EXPLORATION", "segment": "El estudio anatomopatológico de la pieza de amputación señaló la existencia entre el tendón flexor y la superficie de la primera falange, de hueso maduro con intensos fenómenos de remodelación. En el centro del mencionado hueso existía una proliferación fibroblástica con casi total ausencia de mitosis, que diferenciaba pequeñas cantidades de osteoide. Al comparar esta biopsia con la previa o diagnóstica, se observó una mayor celularidad, con discreta atipia celular y mayor actividad mitótica.", "start_offset": 2826 }, { "end_offset": 3489, "label": "EVOLUTION", "segment": "\n \n La evolución del paciente fue satisfactoria y la lesión no ha recidivado tras 8 años de seguimiento, conservando en la actualidad una buena función de la mano.\n \n", "start_offset": 3323 } ] } }
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La paciente acude a consulta por presentar un cuadro de malestar general, con fiebre intermitente en los últimos 4 meses. La tomografía computerizada (TAC) mostró una colección de material líquido bajo la placa de metacrilato, compatible con empiema.\n \n Decidimos intervenir y retirar la placa de material aloplástico. Bajo la misma encontramos abundante material purulento, en cuyo cultivo se aisló un microorganismo anaerobio. La reconstrucción se efectuó con colgajo de epiplon basado en los vasos gastroepiploicos derecho e izquierdo cubierto con un injerto de piel mallada. La paciente evolucionó sin incidencias y fue dada de alta a los 6 días de la intervención. No hubo recidiva tumoral local y las biopsias de los bordes fueron negativas. Las revisiones son satisfactorias desde entonces, cumpliendo 18 meses de evolución en el momento de redactar este trabajo.\n \n", "section_annotation": { "gold": [ { "end_offset": 17, "label": "PRESENT_ILLNESS", "segment": "Mujer de 64 años ", "start_offset": 0 }, { "end_offset": 236, "label": "PAST_MEDICAL_HISTORY", "segment": "intervenida en nuestro centro 5 años antes por sarcoma esternal; se realizó esternectomía y reconstrucción con placa de metacrilato colocada entre los arcos costales mediante sutura tras labrar orificios en sus bordes. ", "start_offset": 17 }, { "end_offset": 358, "label": "PRESENT_ILLNESS", "segment": "La paciente acude a consulta por presentar un cuadro de malestar general, con fiebre intermitente en los últimos 4 meses. 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El tumor infiltra localmente sin llegar a afectar a la duramadre. Se realiza exéresis de la lesión y colgajo de periostio que se complica con necrosis. Se decide entonces colocar sistema de terapia Renasys® a -50 mm Hg. Tras 3 semanas de tratamiento se observa reducción del diámetro de la herida y granulación sobre la duramadre. Posteriormente, se realiza cierre de la lesión con triple colgajo de Guillis.\n \n", "section_annotation": { "gold": [ { "end_offset": 35, "label": "PRESENT_ILLNESS", "segment": "Paciente varón de 80 años de edad, ", "start_offset": 0 }, { "end_offset": 73, "label": "PAST_MEDICAL_HISTORY", "segment": "afecto de leucemia linfática crónica, ", "start_offset": 35 }, { "end_offset": 128, "label": "PRESENT_ILLNESS", "segment": "que presenta carcinoma epidermoide de cuero cabelludo. ", "start_offset": 73 }, { "end_offset": 539, "label": "TREATMENT", "segment": "El tumor infiltra localmente sin llegar a afectar a la duramadre. Se realiza exéresis de la lesión y colgajo de periostio que se complica con necrosis. Se decide entonces colocar sistema de terapia Renasys® a -50 mm Hg. Tras 3 semanas de tratamiento se observa reducción del diámetro de la herida y granulación sobre la duramadre. Posteriormente, se realiza cierre de la lesión con triple colgajo de Guillis.\n \n", "start_offset": 128 } ] } }
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Tras la realización de la historia clínica, exploración y documentación fotográfica pertinentes para su estudio, se decide demorar la cirugía hasta transcurridos al menos 6 meses desde la extirpación tumoral para confirmar la ausencia de recurrencia de la enfermedad local. Se confirma la existencia de arcos vasculares palmares superficial y profundo a través del test de Allen y la exploración con sonda doppler de 8Mhz, que permiten la elección de un colgajo libre radial para la reconstrucción peneana, sin compromiso vascular del miembro superior derecho. 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"end_offset": 385, "span": "según", "start_offset": 380 }, { "boundary": null, "end_offset": 388, "span": "la", "start_offset": 386 }, { "boundary": null, "end_offset": 396, "span": "técnica", "start_offset": 389 }, { "boundary": null, "end_offset": 400, "span": "que", "start_offset": 397 }, { "boundary": null, "end_offset": 406, "span": "hemos", "start_offset": 401 }, { "boundary": null, "end_offset": 416, "span": "descrito.", "start_offset": 407 }, { "boundary": null, "end_offset": 419, "span": "\n \n", "start_offset": 416 } ] }, "note_id": "S0376-78922011000200006-2", "note_text": "Varón de 21 años de edad con antecedentes de tumoración (osteosarcoma) en rodilla derecha a los 7 años de edad. Tras recibir múltiples tratamientos de elongación ósea, fue necesario colocar una prótesis total de rodilla. Debido a la existencia de múltiples cicatrices, la piel se necrosó y la prótesis resultó expuesta, por lo que fue necesario cubrirla con 2 colgajos de gemelos según la técnica que hemos descrito.\n \n", "section_annotation": { "gold": [ { "end_offset": 25, "label": "PRESENT_ILLNESS", "segment": "Varón de 21 años de edad ", "start_offset": 0 }, { "end_offset": 112, "label": "PAST_MEDICAL_HISTORY", "segment": "con antecedentes de tumoración (osteosarcoma) en rodilla derecha a los 7 años de edad. ", "start_offset": 25 }, { "end_offset": 419, "label": "TREATMENT", "segment": "Tras recibir múltiples tratamientos de elongación ósea, fue necesario colocar una prótesis total de rodilla. Debido a la existencia de múltiples cicatrices, la piel se necrosó y la prótesis resultó expuesta, por lo que fue necesario cubrirla con 2 colgajos de gemelos según la técnica que hemos descrito.\n \n", "start_offset": 112 } ] } }
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Refiere gran dificultad para la relación social, así como para la relación de pareja.\n La historia clínica familiar no reveló la existencia de casos semejantes.\n Presentaba un aumento pronunciado del labio superior, que se hacía mucho más evidente cuando sonreía, junto con la presencia de una retracción central.\n \n El tratamiento quirúrgico se realizó bajo bloqueo anestésico de ambos nervios infraorbitarios. Marcamos la zona quirúrgica con azul de metileno en forma de dos elipses tranversas con una \"z\" central. Resecamos el exceso de tejido mucoso y submucoso labial con excisiones elípticas y la brida central se corrigió con una z-plastia de acuerdo con el marcaje realizado. La cirugía finalizó con el cierre mediante suturas simples con hilo sintético reabsorbible de poliglactin 6-0.\n \n La herida quirúrgica evolucionó con edema local que se resolvió al final de la segunda semana de postoperatorio. Dos meses después, en revisión en consulta ambulatoria, la paciente estaba plenamente satisfecha con el resultado obtenido, contando incluso que había vuelto a frecuentar relaciones sociales en compañía de su pareja. Tras 18 meses de seguimiento, no hay señales de recidiva o complicaciones tardías.\n \n", "section_annotation": { "gold": [ { "end_offset": 207, "label": "PRESENT_ILLNESS", "segment": "Mujer de 27 años de edad que se queja por el aspecto inestético de su labio superior que comenzó a notar a los 18 años. 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"span": "neurológicas,", "start_offset": 4199 }, { "boundary": null, "end_offset": 4220, "span": "control", "start_offset": 4213 }, { "boundary": null, "end_offset": 4224, "span": "del", "start_offset": 4221 }, { "boundary": null, "end_offset": 4231, "span": "tronco", "start_offset": 4225 }, { "boundary": null, "end_offset": 4233, "span": "y", "start_offset": 4232 }, { "boundary": null, "end_offset": 4244, "span": "adaptación", "start_offset": 4234 }, { "boundary": null, "end_offset": 4246, "span": "a", "start_offset": 4245 }, { "boundary": null, "end_offset": 4255, "span": "prótesis", "start_offset": 4247 }, { "boundary": null, "end_offset": 4271, "span": "infracondíleas.", "start_offset": 4256 }, { "boundary": null, "end_offset": 4274, "span": "\n \n", "start_offset": 4271 } ] }, "note_id": "S0376-78922011000500009-1", "note_text": "Paciente pediátrica de 15 meses de edad diagnosticada de púrpura fulminans secundaria a infección meningocóccica grave complicada con fallo multiorgánico, shock séptico, edema agudo de pulmón complicado con neumonía nosocomial que requirió soporte ventilatorio y grave necrosis isquémica por CID en las extremidades inferiores.\n A los 4 días de su ingreso en Unidad de Cuidados Intensivos (UCI) pediátrica, se pide consulta a nuestro Servicio para valoración de las lesiones cutáneas. Apreciamos flictenas y signos de sufrimiento cutáneo en miembro superior derecho (MSD) y principalmente, en miembros inferiores (MMII), acompañados de lesiones purpúricas y necrosis irreversibles de los dedos de ambos pies. Dada la evolución tórpida y la extensión de las lesiones, se decide la intervención quirúrgica 17 días después.\n \n Realizamos desbridamiento superficial para demarcar la zona de necrosis profunda y colocamos Biobrane® (Biobrane, Smith & Nephew B.V., Barcelona, España). Las zonas intervenidas se curaron con sulfadiazina argéntica antes y después de la cirugía.\n \n Ante la mala evolución de las heridas, contactamos con el Servicio de Traumatología para nueva valoración. Se realizaron 2 gammagrafías óseas en un intervalo de 15 días para valorar el estado de ambos MMII y ambas informaron de la existencia de tejido óseo sin captación desde aproximadamente el 1/3 proximal de la tibia. Dada la gangrena establecida, con necrosis irreversible evidente y mal olor, los traumatólogos pediátricos deciden, de acuerdo con la familia, proceder a practicar amputación infrarrotuliana bilateral para conservar la máxima movilidad ulterior de la paciente.\n El resultado anatomopatológico diferido informó de trombosis vascular múltiple y necrosis abscesificante en piel y tejidos blandos.\n Durante el postoperatorio, se delimitó aún más la necrosis de tejidos blandos en la zona de cobertura de ambos muñones de amputación, lo que produjo una exposición de los segmentos tibial y peroneo de ambas extremidades. Debido a la corta longitud de los muñones, no se podía proceder a una nueva amputación de los segmentos y cobertura con tejido proximal, pues no garantizaría la posible colocación en el futuro de las prótesis. Por tanto, optamos por iniciar terapia de presión negativa con sistema VAC® para favorecer el crecimiento tisular y la eliminación del exudado de las heridas.\n \n Procedimos en primer lugar a lavar las extremidades con una solución de clorhexidina jabonosa al 0,4% y suero fisiológico. Luego colocamos los apósitos VAC-Granufoam ® según la guía clínica de la terapia VAC®. Al principio utilizamos los apósitos medianos según el modelo Pitta-VAC® (10,11), dividiendo en dos mitades el apósito, de manera que cada una de ellas es separada parcialmente para ser colocada sobre la zona a tratar, como si fuera un guante. Esta técnica está descrita como rápida en su diseño y en su ejecución. No obstante, en zonas en las que la necrosis es parcheada, hemos notado que este sistema macera la piel sana si ésta entra en contacto directo con el apósito de poliuretano reticulado, por lo que es necesario colocar apósitos hidrocoloides recortados bajo la esponja para evitarlo, lo cual hace más engorrosa la cura. Decidimos por tanto volver a la colocación clásica de los apósitos: pequeños fragmentos recortados sobre las pérdidas de sustancia conectados entre sí mediante íntimo contacto en alguna de sus partes. La presión utilizada fue de -125 mmHg y en modo continuo. La granulación en el lecho y la mejoría fueron evidentes.\n \n Tras 40 días de terapia, conseguimos el recubrimiento de los segmentos óseos expuestos y tras la colocación de láminas regeneradoras dérmicas Integra® (Integra, San Priest, Francia) durante 1 mes, logramos la cobertura definitiva mediante injertos de piel parcial mallados 1:1,5 tomados del muslo izquierdo.\n \n La evolución fue satisfactoria, con epitelización completa de los muñones de amputación, procediéndose al alta hospitalaria de la paciente tras exactamente 4 meses de ingreso hospitalario. Mantuvimos seguimiento ambulatorio durante 3 semanas más. Tras 2 años del suceso, la paciente se encuentra en proceso de rehabilitación de sus secuelas neurológicas, control del tronco y adaptación a prótesis infracondíleas.\n \n", "section_annotation": { "gold": [ { "end_offset": 329, "label": "PRESENT_ILLNESS", "segment": "Paciente pediátrica de 15 meses de edad diagnosticada de púrpura fulminans secundaria a infección meningocóccica grave complicada con fallo multiorgánico, shock séptico, edema agudo de pulmón complicado con neumonía nosocomial que requirió soporte ventilatorio y grave necrosis isquémica por CID en las extremidades inferiores.\n ", "start_offset": 0 }, { "end_offset": 485, "label": "DERIVED_FROM/TO", "segment": "A los 4 días de su ingreso en Unidad de Cuidados Intensivos (UCI) pediátrica, se pide consulta a nuestro Servicio para valoración de las lesiones cutáneas. 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"start_offset": 6127 }, { "boundary": null, "end_offset": 6139, "span": "complejo", "start_offset": 6131 }, { "boundary": null, "end_offset": 6152, "span": "teloareolar.", "start_offset": 6140 }, { "boundary": null, "end_offset": 6155, "span": "\n \n", "start_offset": 6152 } ] }, "note_id": "S0376-78922012000200010-1", "note_text": "Mujer de 36 años de edad sin antecedentes patológicos de interés y madre de un hijo de 5 años de edad, que consulta para valorar aumento mamario bilateral. Presenta atrofia mamaria moderada con ptosis muy leve. La piel es de buena calidad, hidratada y sin estrías. No se palpan nódulos mamarios y la paciente no refiere ningún antecedente patológico mamario de relevancia. En las mamografías recientes no se detectó ninguna patología.\n Tras la consulta y exploración clínica se decide llevar a cabo una cirugía de aumento mamario bilateral por vía periareolar inferior, con disección de bolsillo subpectoral y colocación de prótesis anatómicas de gel de silicona (McGhan® Style 140 MM de 320 cc.).\n La intervención se realizó bajo anestesia general y transcurrió sin incidencias; la paciente fue dada de alta al día siguiente. A los 7 días de postoperatorio se encuentra bien, el aspecto de las mamas es normal, la simetría es adecuada y las molestias son de escasa relevancia. La paciente refiere que nota tensión en las mamas, pero sin dolor a la palpación. La cicatrización es correcta.\n \n A los 15 días de postoperatorio acude a la consulta presentando aumento simétrico del volumen mamario y drenaje espontáneo de material líquido de coloración blanquecina a través de una pequeña dehiscencia de la herida periareolar derecha. No ha presentado fiebre y las mamas no muestran signos inflamatorios. En el margen lateral de la cicatriz se aprecia un pequeño de fecto de 2 mm. por el que drena material, que al exprimir la mama aumenta su caudal. Sospechando la existencia de un absceso retroareolar y decidimos dilatar dicho defecto usando una pinza de hemostasia, momento en el que se produce el drenaje espontáneo de una gran cantidad del citado material. Al proceder a la expresión de la mama se aprecia igualmente que el material drena por el pezón y al hacer la misma maniobra en la mama izquierda, se aprecia también este drenaje por el pezón. Tomamos muestra para cultivo, siendo el resultado negativo. Ante estos hallazgos pensamos que la tumefacción de las mamas se debe a la producción de leche.\n \n Recomendamos a la paciente realizar una analítica para estudiar los niveles de prolactina (PRL) y se realiza consulta con Ginecología que recomienda una ecografía mamaria bilateral, TAC craneal y análisis de hormonas tiroideas y suprarrenales. Los resultados de todas estas pruebas no mostraron signos patológicos. La ecografía mamaria reveló un aumento de la densidad del tejido mamario y no se apreció líquido en el bolsillo que alojaba la prótesis. Aún así se decide instaurar tratamiento con bromocriptina por vía oral de forma empírica, a una dosis inicial de 1,25 mg., 3 veces al día. Después de una semana de tratamiento y al no obtener respuesta, se aumentó la dosis hasta 2,5 mg. 3 veces al día. El tratamiento se mantendría hasta 2 semanas después del cese de la secreción.\n A pesar del tratamiento la evolución fue tórpida y el cuadro de galactorrea no cesó, continuando el drenaje de leche a través de la herida de la mama derecha. Ambas mamas continuaban turgentes. Se mantiene a la paciente con vendajes moderadamente compresivos considerando que el drenaje continuo de leche por la fístula de la herida puede ser un estímulo mantenido para la lactancia, así como para sellar posibles espacios muertos en el bolsillo o en el tejido mamario.\n Al cabo de 2 meses en los que la paciente fue sometida a revisiones y curas semanales, el cuadro de galactorrea cesó, deteniéndose el drenaje de leche a través de la herida y disminuyendo la turgencia en ambas mamas.\n Sin embargo, 2 semanas después la paciente acude de nuevo presentando en esta ocasión aumento de volumen mamario unilateral derecho. Se realiza nueva ecografía mamaria que revela la existencia de un seroma intracapsular derecho. Se procede al drenaje del mismo bajo condiciones de asepsia y éste se resuelve en 7 días; pero la morfología de la mama comienza a verse afectada de tal forma que el trayecto a través del cual drenaba la leche se retrae deformando la areola. Se constata también que la mama desarrolla un grado incipiente de contractura capsular. Optamos por llevar a cabo revisión quirúrgica debido sobre todo a la deformidad provocada por la fístula areolar.\n \n La paciente es intervenida procediendo a la revisión del bolsillo en el que no se aprecia la existencia de ninguna colección líquida, tan solo escasos depósitos blanquecinos que se analizan Practicamos capsulotomías, recolocación de la prótesis que permanecía intacta y sin depósitos en su superficie y reparación de la retracción areolar. El informe anatomopatológico de los depósitos blanquecinos hallados describe la existencia de fibrosis hialinizada con infiltración crónica granulomatosa e infiltrado de histiocitos.\n \n Durante este segundo postoperatorio la paciente no desarrolla galactorrea y se recupera sin incidencias. Sin embargo, después de 1 año la mama derecha desarrolla contractura capsular grado III por lo que se decide reintervenir nuevamente, realizando capsulectomía parcial debido a que los tegumentos se han adelgazado y se considera el riesgo de afectar la integridad de la piel durante la realización de una capsulectomia total, y capsulorrafia medial por ser esta la zona en la que el adelgazamiento de los tejidos es mayor. Cambiamos la prótesis por otra de idénticas carácterísticas. En el postoperatorio de esta nueva intervención detectamos como única complicación un síndrome de Mondor en la mama derecha.\n \n Al cabo de 2 años de postoperatorio la paciente presenta nuevamente signos compatibles con contractura capsular recidivada en la mama derecha, con notable afectación estética y de aparición más lenta en la mama izquierda. El tratamiento quirúrgico que podría plantearse en esta ocasión sería: en la mama derecha nueva capsulectomía, si los tegumentos lo permiten, pudiendo precisar de refuerzo mediante malla de material sintético o biológico en la región ínferomedial, y en la mama izquierda capsulectomía y recambio de prótesis. No se descarta la necesidad de añadir procedimientos de mastopexia para corregir la posición del complejo teloareolar.\n \n", "section_annotation": { "gold": [ { "end_offset": 25, "label": "PRESENT_ILLNESS", "segment": "Mujer de 36 años de edad ", "start_offset": 0 }, { "end_offset": 103, "label": "PAST_MEDICAL_HISTORY", "segment": "sin antecedentes patológicos de interés y madre de un hijo de 5 años de edad, ", "start_offset": 25 }, { "end_offset": 156, "label": "PRESENT_ILLNESS", "segment": "que consulta para valorar aumento mamario bilateral. ", "start_offset": 103 }, { "end_offset": 436, "label": "EXPLORATION", "segment": "Presenta atrofia mamaria moderada con ptosis muy leve. La piel es de buena calidad, hidratada y sin estrías. No se palpan nódulos mamarios y la paciente no refiere ningún antecedente patológico mamario de relevancia. 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", "start_offset": 1332 }, { "end_offset": 1952, "label": "TREATMENT", "segment": "Sospechando la existencia de un absceso retroareolar y decidimos dilatar dicho defecto usando una pinza de hemostasia, momento en el que se produce el drenaje espontáneo de una gran cantidad del citado material. Al proceder a la expresión de la mama se aprecia igualmente que el material drena por el pezón y al hacer la misma maniobra en la mama izquierda, se aprecia también este drenaje por el pezón. ", "start_offset": 1548 }, { "end_offset": 2563, "label": "EXPLORATION", "segment": "Tomamos muestra para cultivo, siendo el resultado negativo. Ante estos hallazgos pensamos que la tumefacción de las mamas se debe a la producción de leche.\n \n Recomendamos a la paciente realizar una analítica para estudiar los niveles de prolactina (PRL) y se realiza consulta con Ginecología que recomienda una ecografía mamaria bilateral, TAC craneal y análisis de hormonas tiroideas y suprarrenales. Los resultados de todas estas pruebas no mostraron signos patológicos. La ecografía mamaria reveló un aumento de la densidad del tejido mamario y no se apreció líquido en el bolsillo que alojaba la prótesis. ", "start_offset": 1952 }, { "end_offset": 2896, "label": "TREATMENT", "segment": "Aún así se decide instaurar tratamiento con bromocriptina por vía oral de forma empírica, a una dosis inicial de 1,25 mg., 3 veces al día. Después de una semana de tratamiento y al no obtener respuesta, se aumentó la dosis hasta 2,5 mg. 3 veces al día. El tratamiento se mantendría hasta 2 semanas después del cese de la secreción.\n ", "start_offset": 2563 }, { "end_offset": 3090, "label": "EVOLUTION", "segment": "A pesar del tratamiento la evolución fue tórpida y el cuadro de galactorrea no cesó, continuando el drenaje de leche a través de la herida de la mama derecha. Ambas mamas continuaban turgentes. 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"Presentamos el caso de un paciente varón de 39 años de edad que presentó aumento de región maseterina bilateral de varios años de evolución, siendo de mayor tamaño el músculo masetero del lado izquierdo, lo que motivó la consulta. En su historia clínica el paciente refiere estar asintomático, sin patologías agregadas, con malos hábitos dietéticos y bruxismo diurno y nocturno. Se realizó estudio en marzo del 2008 mediante Tomografía Axial Computerizada (TAC) simple y contrastada para descartar patología de tejidos blandos y duros tipo neoplasia, proceso infeccioso crónico o crecimiento óseo. Se diagnosticó finalmente como hipertrofia del músculo masetero bilateral, mayor en el lado izquierdo.\n \n Tomamos medidas de los músculos maseteros en los cortes tomográficos, de anterior a posterior de ambos músculos maseteros y en su diámetro transverso con los siguientes resultados: 1.40 cm, 1.60 cm y 0.95 cm en masetero derecho; 1.83 cm, 1.53 y 1.13 cm en músculo masetero izquierdo, ambos mayores de lo normal. Iniciamos tratamiento a base de guarda oclusal nocturna y aplicación de toxina botulínica en noviembre del 2009, de acuerdo al protocolo seleccionado.\n \n Se propuso la aplicación de toxina botulínica. La Primera aplicación a dosis de 50 U, 25 de las cuales se aplicaron en la zona de mayor hipertrofia (zona IV descrita por Da-Hye Kim), 15 U en dirección al borde inferior mandibular y 10 U por encima de la aplicación previa (correspondiente a zona V de Da-Hye Kim). Con esta distribución de aplicación en los puntos propuestos por Nam-Ho Kim que mejoran el contorno mandibular, se realizó marcaje sobre la piel a nivel de ambos músculos maseteros (5). Para la preparación del producto se utilizó una aguja gruesa (18G) con el fin de evitar la formación de turbulencias. El alcohol, usado ya sea en el tapón del vial o bien en la piel del paciente, debe evaporarse completamente antes de aplicar la toxina dado que también puede inactivarla. A pesar de que el vial puede reconstituirse a una dilución de 8 cc/100 U, preferimos la dilución en 4 cc. a fin de conseguir una dosificación de 2.5 U/0.1 cc. El obtener de esta forma un volumen menor, limitará la posibilidad de que la toxina difunda hacia las zonas adyacentes. Es importante recordar que una vez realizada la reconstitución, el producto deberá utilizarse en el plazo de las 4 horas siguientes para evitar pérdida de eficacia, aunque algunos autores señalan que se puede utilizar sin disminuir su eficacia dentro de los 3 a 7 días posteriores.\n Para disminuir las molestias y que la aplicación sea segura utilizamos una aguja fina (30G). Es importante insistir en que el paciente no debe tomar medicamentos que interfieran con la coagulación de 10 a 14 días antes de la inyección para evitar equímosis. También solicitamos al paciente la correspondiente autorización para llevar a cabo el procedimiento mediante un consentimiento informado específico, tal y como habitualmente hacemos con cualquier procedimiento invasivo.\n Para las aplicaciones posteriores citamos al paciente cada 12 semanas (3 meses), utilizando la misma técnica y completando hasta un total de 4 aplicaciones. Se sabe que al utilizar toxina botulínica de forma repetitiva se causa atrofia en los grupos musculares infiltrados, lo que hace que el paciente presente mejoría clínica. También se indicó continuar con el uso de la guarda oclusal nocturna para controlar el bruxismo.\n \n", "section_annotation": { "gold": [ { "end_offset": 231, "label": "PRESENT_ILLNESS", "segment": "Presentamos el caso de un paciente varón de 39 años de edad que presentó aumento de región maseterina bilateral de varios años de evolución, siendo de mayor tamaño el músculo masetero del lado izquierdo, lo que motivó la consulta. ", "start_offset": 0 }, { "end_offset": 379, "label": "PAST_MEDICAL_HISTORY", "segment": "En su historia clínica el paciente refiere estar asintomático, sin patologías agregadas, con malos hábitos dietéticos y bruxismo diurno y nocturno. ", "start_offset": 231 }, { "end_offset": 1016, "label": "EXPLORATION", "segment": "Se realizó estudio en marzo del 2008 mediante Tomografía Axial Computerizada (TAC) simple y contrastada para descartar patología de tejidos blandos y duros tipo neoplasia, proceso infeccioso crónico o crecimiento óseo. Se diagnosticó finalmente como hipertrofia del músculo masetero bilateral, mayor en el lado izquierdo.\n \n Tomamos medidas de los músculos maseteros en los cortes tomográficos, de anterior a posterior de ambos músculos maseteros y en su diámetro transverso con los siguientes resultados: 1.40 cm, 1.60 cm y 0.95 cm en masetero derecho; 1.83 cm, 1.53 y 1.13 cm en músculo masetero izquierdo, ambos mayores de lo normal. ", "start_offset": 379 }, { "end_offset": 3427, "label": "TREATMENT", "segment": "Iniciamos tratamiento a base de guarda oclusal nocturna y aplicación de toxina botulínica en noviembre del 2009, de acuerdo al protocolo seleccionado.\n \n Se propuso la aplicación de toxina botulínica. La Primera aplicación a dosis de 50 U, 25 de las cuales se aplicaron en la zona de mayor hipertrofia (zona IV descrita por Da-Hye Kim), 15 U en dirección al borde inferior mandibular y 10 U por encima de la aplicación previa (correspondiente a zona V de Da-Hye Kim). Con esta distribución de aplicación en los puntos propuestos por Nam-Ho Kim que mejoran el contorno mandibular, se realizó marcaje sobre la piel a nivel de ambos músculos maseteros (5). Para la preparación del producto se utilizó una aguja gruesa (18G) con el fin de evitar la formación de turbulencias. El alcohol, usado ya sea en el tapón del vial o bien en la piel del paciente, debe evaporarse completamente antes de aplicar la toxina dado que también puede inactivarla. A pesar de que el vial puede reconstituirse a una dilución de 8 cc/100 U, preferimos la dilución en 4 cc. a fin de conseguir una dosificación de 2.5 U/0.1 cc. El obtener de esta forma un volumen menor, limitará la posibilidad de que la toxina difunda hacia las zonas adyacentes. Es importante recordar que una vez realizada la reconstitución, el producto deberá utilizarse en el plazo de las 4 horas siguientes para evitar pérdida de eficacia, aunque algunos autores señalan que se puede utilizar sin disminuir su eficacia dentro de los 3 a 7 días posteriores.\n Para disminuir las molestias y que la aplicación sea segura utilizamos una aguja fina (30G). Es importante insistir en que el paciente no debe tomar medicamentos que interfieran con la coagulación de 10 a 14 días antes de la inyección para evitar equímosis. También solicitamos al paciente la correspondiente autorización para llevar a cabo el procedimiento mediante un consentimiento informado específico, tal y como habitualmente hacemos con cualquier procedimiento invasivo.\n Para las aplicaciones posteriores citamos al paciente cada 12 semanas (3 meses), utilizando la misma técnica y completando hasta un total de 4 aplicaciones. Se sabe que al utilizar toxina botulínica de forma repetitiva se causa atrofia en los grupos musculares infiltrados, lo que hace que el paciente presente mejoría clínica. También se indicó continuar con el uso de la guarda oclusal nocturna para controlar el bruxismo.\n \n", "start_offset": 1016 } ] } }
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Tras una semana y a pesar de las medidas profilácticas, la herida sufrió una infección por microorganismos anaerobios que se trató con desbridamiento quirúrgico, antibiotepia y cámara hiperbárica durante 3 semanas. Una vez resuelta la infección se programó para transferencia tendinosa, pero en el acto quirúrgico se encontró necrosis de los tendones extensores por lo que se decidió resecar hasta tejido viable y utilizar varillas de silicona en un primer tiempo con vistas a un posterior injerto tendinoso.\n \n Al mes de la implantación de las varillas, el paciente presentaba una severa limitación de la movilidad que contraindicaba el injerto tendinoso, por lo que tras confirmar mediante doppler la permeabilidad tanto de la arteria tibial posterior como de la tibial anterior, se decidió utilizar el colgajo vascularizado de dorsalis pedis para la reconstrucción funcional completa. Se realizó anastomosis de la arteria dorsal del pie a la radial, de la vena safena a una vena superficial del antebrazo, y la correspondiente sutura tendinosa.\n \n Se inmovilizó la zona donante durante 10 días con férula de yeso, lo suficiente para que el injerto prendiera. El paciente comenzó entonces a deambular libremente con un vendaje simple del área y no sufrió complicaciones. Tras 6 meses de postoperatorio, el paciente refería anestesia exclusivamente en el área donante del colgajo.\n La mano se inmovilizó durante 4 semanas y se llevó a cabo tratamiento de rehabilitación con ejercicios activos protegidos durante 8 semanas, obteniendo un resultado funcional satisfactorio y reincorporación del paciente al trabajo 3 meses después de la intervención.\n \n", "section_annotation": { "gold": [ { "end_offset": 282, "label": "PRESENT_ILLNESS", "segment": "Varón de 40 años de edad que sufre herida traumática en el dorso de la mano derecha tras quedar atrapada en una cinta transportadora de empresa cárnica, presentando importante lesión de piel y arrancamiento de los tendones del músculo extensor común desde su unión miotendinosa.\n \n ", "start_offset": 0 }, { "end_offset": 473, "label": "TREATMENT", "segment": "En un primer acto quirúrgico de urgencia se realizó limpieza exhaustiva, cierre de la herida y cobertura antibiótica, postponiendo la cirugía reconstructiva dado el alto riesgo de infección. 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4430 }, { "boundary": null, "end_offset": 4439, "span": "\n \n", "start_offset": 4436 } ] }, "note_id": "S0376-78922013000400009-1", "note_text": "Varón de 37 años, sin antecedentes personales de interés, remitido desde el Servicio de Urgencias de nuestro hospital por presentar una masa en el compartimento posterior del miembro inferior izquierdo de años de evolución, no dolorosa hasta las 3 últimas semanas cuando comienza con dolor, aumento de la velocidad de crecimiento, impotencia funcional y parestesias.\n A la exploración física el paciente presentaba una gran masa en la región posterior de la pierna izquierda de aproximadamente 15 cm de diámetro, con distensión de los compartimentos posteriores y laterales. Asimismo, refería parestesias discontinuas en la extremidad afecta e hiperestesia en el pulpejo del primer dedo del pie y en la región peronea. La vascularización del miembro estaba indemne, presentando pulsos poplíteos, tibial posterior y pedio conservados. No obstante, constatamos una mayor frialdad en el pie izquierdo con respecto al contralateral.\n \n Realizamos Trucut de la masa con resultado anatomopatológico de sarcoma fusocelular de alto grado (sarcoma sinovial). La resonancia magnética nuclear (RMN) informó de la presencia de una gran masa en la pierna izquierda que afectaba a todo el espesor del músculo sóleo, marcadamente heterogénea, multinodular y polilobulada, de 14x10x7 cm de diámetro máximo, con signos de sangrado reciente. En la parte posterior, la lesión comprime y desplaza los vientres musculares de los gemelos interno y externo, con los que contacta sin planos grasos, y en la parte anterior con el poplíteo, tibial posterior y flexor común de los dedos. Anterocaudalmente, la masa infiltra el polo superior del flexor del primer dedo.\n Con respecto a las estructuras óseas observamos una estrecha relación con la diáfisis de la tibia y, aunque se mantienen los planos grasos, el espesor del tejido interpuesto entre ambas estructuras es inferior a 1cm. En cuanto al peroné, el tumor lo engloba semicircularmente en una extensión de unos 12 cm. A pesar de la estrecha relación del tumor con la tibia y el peroné, no observamos signos sugestivos de infiltración ósea. En relación a las estructuras vasculares, apreciamos cómo el polo superior del tumor llega a contactar con la arteria poplítea a nivel de su bifurcación de la salida del tronco tibial anterior, pasando a englobar distalmente al tronco tibio-peroneo con repermeabilización distal de los vasos peroneos.\n En resumen, se trata de una tumoración en la musculatura sólea izquierda de 14 cm de diámetro máximo sugerente de sarcoma con signos de infiltración vascular y de la musculatura adyacente.\n \n El paciente fue intervenido bajo anestesia general y la intervención fue realizada por un único equipo quirúrgico que practicó tanto la resección tumoral como la posterior reconstrucción.\n Comenzamos con el colgajo plantar disecando un colgajo fileteado B3 de Künstcher (6) y posteriormente con la amputación infracondilea incluyendo la cortical posterior de la tibia. Realizamos anastomosis términoterminales (T-T) a la arteria poplítea y a ambas safenas y neurorrafia entre ciático poplíteo externo y tibial posterior.\n \n En el postoperatorio inmediato el paciente no presentó alteración hemodinámica alguna y el colgajo evolucionó de forma favorable sin necesidad de revisión microquirúrgica del mismo en los días posteriores a la intervención.\n El resultado anatomopatológico de la pieza extirpada resultó ser de sarcoma sinovial bifásico de alto grado de 15 cm de diámetro máximo en el espesor del tejido muscular, con bordes quirúrgicos respetados (tumor a 1,5 cm del borde quirúrgico proximal de partes blandas). No se evidenció infiltración del tejido óseo.\n El paciente siguió un postoperatorio favorable, siendo dado de alta a su domicilio a los 30 días de la intervención. Llevamos a cabo un seguimiento semanal del mismo hasta obtener una cicatrización óptima para comenzar con el tratamiento ortopédico. A los 60 días el paciente deambulaba con prótesis transtibial tipo PTB (patellartendon-bearing prosthesis) con sistema endoesquelético y pie dinámico con sensibilidad completa en el muñón de amputación. El seguimiento total por nuestra parte fue de 7 meses tras la cirugía. Dos años después de la intervención, continúa en seguimiento por parte de los Servicios de Oncología y Rehabilitación de nuestro hospital, que procederán al recambio protésico según su protocolo cada 2 años. Hasta la fecha, no se han encontrado evidencias de recurrencia local.\n \n", "section_annotation": { "gold": [ { "end_offset": 18, "label": "PRESENT_ILLNESS", "segment": "Varón de 37 años, ", "start_offset": 0 }, { "end_offset": 46, "label": "PAST_MEDICAL_HISTORY", "segment": "sin antecedentes personales ", "start_offset": 18 }, { "end_offset": 368, "label": "PRESENT_ILLNESS", "segment": "de interés, remitido desde el Servicio de Urgencias de nuestro hospital por presentar una masa en el compartimento posterior del miembro inferior izquierdo de años de evolución, no dolorosa hasta las 3 últimas semanas cuando comienza con dolor, aumento de la velocidad de crecimiento, impotencia funcional y parestesias.\n ", "start_offset": 46 }, { "end_offset": 2568, "label": "EXPLORATION", "segment": "A la exploración física el paciente presentaba una gran masa en la región posterior de la pierna izquierda de aproximadamente 15 cm de diámetro, con distensión de los compartimentos posteriores y laterales. 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En relación a las estructuras vasculares, apreciamos cómo el polo superior del tumor llega a contactar con la arteria poplítea a nivel de su bifurcación de la salida del tronco tibial anterior, pasando a englobar distalmente al tronco tibio-peroneo con repermeabilización distal de los vasos peroneos.\n En resumen, se trata de una tumoración en la musculatura sólea izquierda de 14 cm de diámetro máximo sugerente de sarcoma con signos de infiltración vascular y de la musculatura adyacente.\n \n ", "start_offset": 368 }, { "end_offset": 3088, "label": "TREATMENT", "segment": "El paciente fue intervenido bajo anestesia general y la intervención fue realizada por un único equipo quirúrgico que practicó tanto la resección tumoral como la posterior reconstrucción.\n Comenzamos con el colgajo plantar disecando un colgajo fileteado B3 de Künstcher (6) y posteriormente con la amputación infracondilea incluyendo la cortical posterior de la tibia. Realizamos anastomosis términoterminales (T-T) a la arteria poplítea y a ambas safenas y neurorrafia entre ciático poplíteo externo y tibial posterior.", "start_offset": 2568 }, { "end_offset": 3317, "label": "EVOLUTION", "segment": "\n \n En el postoperatorio inmediato el paciente no presentó alteración hemodinámica alguna y el colgajo evolucionó de forma favorable sin necesidad de revisión microquirúrgica del mismo en los días posteriores a la intervención.\n ", "start_offset": 3088 }, { "end_offset": 3635, "label": "EXPLORATION", "segment": "El resultado anatomopatológico de la pieza extirpada resultó ser de sarcoma sinovial bifásico de alto grado de 15 cm de diámetro máximo en el espesor del tejido muscular, con bordes quirúrgicos respetados (tumor a 1,5 cm del borde quirúrgico proximal de partes blandas). No se evidenció infiltración del tejido óseo.\n ", "start_offset": 3317 }, { "end_offset": 3752, "label": "EVOLUTION", "segment": "El paciente siguió un postoperatorio favorable, siendo dado de alta a su domicilio a los 30 días de la intervención. ", "start_offset": 3635 }, { "end_offset": 3885, "label": "TREATMENT", "segment": "Llevamos a cabo un seguimiento semanal del mismo hasta obtener una cicatrización óptima para comenzar con el tratamiento ortopédico. ", "start_offset": 3752 }, { "end_offset": 4159, "label": "EVOLUTION", "segment": "A los 60 días el paciente deambulaba con prótesis transtibial tipo PTB (patellartendon-bearing prosthesis) con sistema endoesquelético y pie dinámico con sensibilidad completa en el muñón de amputación. El seguimiento total por nuestra parte fue de 7 meses tras la cirugía. 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Queda pendiente de la reconstrucción bilateral del complejo pezón-areola.\n \n", "section_annotation": { "gold": [ { "end_offset": 26, "label": "PRESENT_ILLNESS", "segment": "Mujer de 37 años de edad, ", "start_offset": 0 }, { "end_offset": 164, "label": "PAST_MEDICAL_HISTORY", "segment": "que acude con antecedentes de infiltración de material desconocido en ambas mamas 16 meses antes, de aproximadamente 200 cc en cada lado, ", "start_offset": 26 }, { "end_offset": 245, "label": "PRESENT_ILLNESS", "segment": "presentando dolor, deformidad y cambios tróficos en la piel de la zona afectada. ", "start_offset": 164 }, { "end_offset": 382, "label": "EXPLORATION", "segment": "A la exploración se palpa tejido de consistencia pétrea a nivel retroareolar que involucra prácticamente al 80 % de la glándula mamaria. 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3938 }, { "boundary": null, "end_offset": 3964, "span": "realizados", "start_offset": 3954 }, { "boundary": null, "end_offset": 3970, "span": "hasta", "start_offset": 3965 }, { "boundary": null, "end_offset": 3973, "span": "la", "start_offset": 3971 }, { "boundary": null, "end_offset": 3980, "span": "fecha.", "start_offset": 3974 }, { "boundary": null, "end_offset": 3983, "span": "\n \n", "start_offset": 3980 } ] }, "note_id": "S0376-78922014000100014-1", "note_text": "Paciente de 41 años de edad con el único antecedente médico de hepatitis A en la infancia, remitido a nuestra consulta por una tumoración premaxilar izquierda, blanda, móvil y no adherida a planos profundos en la exploración, de unos 4cm. de diámetro y 6 meses de evolución, sin otra sintomatología asociada, y que ha presentado crecimiento lento durante este tiempo. A simple vista impresiona de lesión quística o lipoma, pero en la exploración su localización y su consistencia blanda, elástica y móvil hacen sospechar que pueda tratarse de otro tipo de lesión.\n \n El paciente aporta resonancia magnética nuclear (RMN) realizada en otro centro, con informe de nódulo de 25mm. en tejido celular subcutáneo que no afecta a hueso maxilar y de naturaleza inespecífica, para descartar posibilidad de tumor fibroso o hematoma, a pesar de no existir antecedentes de traumatismo facial.\n Ante esta sospecha diagnóstica programamos al paciente para la realización de biopsia en quirófano, bajo anestesia local, durante la cual encontramos una gran friabilidad y sangrado en sábana del tumor que impresiona de lesión de naturaleza vascular, lo que posteriormente se confirma con el informe anatomopatológico que refiere: tumoración mesenquimal vascular cuya morfología y perfil inmunohistoquímico es compatible con el patrón observado en el hemangiopericitoma. El estudio inmunohistoquímico de la biopsia informa de resultado: positivo para CD99 (difuso), BCL2, Betacatenina (focal intracitoplasmática) y CD34 (focal citoplasmática), y negativo para S100, GLUT-1, WT1, AE1, CD31 y Factor VIII. El índice de proliferación celular Ki 67 es de un 5%.\n Tras la confirmación diagnóstica y al haberse realizado la RMN inicial en otro centro, el Servicio de Radiología de nuestro hospital nos recomienda realizar un estudio de imagen adicional con tomografía axial computarizada (TAC) para descartar con mayor certeza la afectación ósea de cara a la cirugía; este estudio informa de la existencia de una tumoración hipervascular en partes blandas de la región premaxilar izquierda, con afectación del tejido celular subcutáneo y extensión en profundidad hacia planos musculares, sin datos de afectación de estructuras óseas vecinas..\n \n Bajo ese diagnóstico final, intervenimos quirúrgicamente bajo anestesia general empleando visión de aumento con gafas lupa (x4.3); realizamos extirpación de la tumoración en bloque con margen de seguridad de aproximadamente 2,5cm. e incluyendo la musculatura afectada: porción orbitaria del músculo orbicular mayor inferior izquierdo y parcialmente el músculo cigomático menor y el elevador del labio superior, incluidos en el tumor. Identificamos la rama angular de la arteria facial, que se introduce en el seno de la tumoración, y que ligamos, así como las ramas cigomáticas del nervio facial que quedan en el lecho quirúrgico y que se preservan en su totalidad.\n \n Realizamos la reconstrucción del defecto quirúrgico con un colgajo de avance de mejilla de base ínfero-lateral.\n \n La evolución postoperatoria fue favorable, y el paciente fue dado de alta a los 2 días de la cirugía sin complicaciones.\n El informe anatomopatológico final de la pieza fue de hemangiopericitoma que respeta los bordes quirúrgicos de resección, con inflamación gigantocelular de cuerpo extraño acompañante. El estudio inmunohistoquímico definitivo de la pieza de resección fue positivo para CD34 difuso, CD99 focal, y negativo para S-100, CD31 y factor VIII, con un índice de proliferación celular Ki-67 del 5%.\n \n Presentamos el caso en el Comité de Tumores del hospital, donde en función de los resultados postoperatorios, se decidió que no era necesario realizar ningún tratamiento complementario, solo un seguimiento periódico del paciente. Tras 2 años de postoperatorio, el paciente presenta una evolución favorable, con buen resultado estético y funcional, y sin datos de recurrencia ni clínica ni radiológica en los controles postoperatorios realizados hasta la fecha.\n \n", "section_annotation": { "gold": [ { "end_offset": 28, "label": "PRESENT_ILLNESS", "segment": "Paciente de 41 años de edad ", "start_offset": 0 }, { "end_offset": 91, "label": "PAST_MEDICAL_HISTORY", "segment": "con el único antecedente médico de hepatitis A en la infancia, ", "start_offset": 28 }, { "end_offset": 368, "label": "DERIVED_FROM/TO", "segment": "remitido a nuestra consulta por una tumoración premaxilar izquierda, blanda, móvil y no adherida a planos profundos en la exploración, de unos 4cm. de diámetro y 6 meses de evolución, sin otra sintomatología asociada, y que ha presentado crecimiento lento durante este tiempo. 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Identificamos la rama angular de la arteria facial, que se introduce en el seno de la tumoración, y que ligamos, así como las ramas cigomáticas del nervio facial que quedan en el lecho quirúrgico y que se preservan en su totalidad.\n \n Realizamos la reconstrucción del defecto quirúrgico con un colgajo de avance de mejilla de base ínfero-lateral.\n \n ", "start_offset": 2222 }, { "end_offset": 3128, "label": "EVOLUTION", "segment": "La evolución postoperatoria fue favorable, y el paciente fue dado de alta a los 2 días de la cirugía sin complicaciones.\n ", "start_offset": 3006 }, { "end_offset": 3520, "label": "EXPLORATION", "segment": "El informe anatomopatológico final de la pieza fue de hemangiopericitoma que respeta los bordes quirúrgicos de resección, con inflamación gigantocelular de cuerpo extraño acompañante. El estudio inmunohistoquímico definitivo de la pieza de resección fue positivo para CD34 difuso, CD99 focal, y negativo para S-100, CD31 y factor VIII, con un índice de proliferación celular Ki-67 del 5%.\n \n ", "start_offset": 3128 }, { "end_offset": 3750, "label": "TREATMENT", "segment": "Presentamos el caso en el Comité de Tumores del hospital, donde en función de los resultados postoperatorios, se decidió que no era necesario realizar ningún tratamiento complementario, solo un seguimiento periódico del paciente. ", "start_offset": 3520 }, { "end_offset": 3983, "label": "EVOLUTION", "segment": "Tras 2 años de postoperatorio, el paciente presenta una evolución favorable, con buen resultado estético y funcional, y sin datos de recurrencia ni clínica ni radiológica en los controles postoperatorios realizados hasta la fecha.\n \n", "start_offset": 3750 } ] } }
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null, "end_offset": 5600, "span": "\n \n", "start_offset": 5597 } ] }, "note_id": "S0376-78922014000400011-1", "note_text": "Niña de 2 años de edad que es traída a Urgencias por presentar una deformidad del 2o dedo de la mano derecha. La familia refiere que 1 año antes sufrió caída desde una altura de 20 cm. y antecedente de aplastamiento 6 meses antes.\n Como antecedentes personales destaca un estudio de cariotipo con resultado normal en el contexto de alteraciones electroencefalográficas y plagiocefalia parietooccipital resueltas.\n En la exploración realizada en Urgencias observamos ensanchamiento de la base de la falange media del 2o dedo de la mano derecha y alteración en la flexión de la articulación interfalángica proximal, que alcanza los 50 grados de flexión máxima. La exploración neurovascular no determinó hallazgos patológicos de interés. Efectuamos también exploraciones radiológicas del 2o dedo en proyecciones anteroposterior y de perfil, que determinan la existencia de un aumento de la base de la falange media de dicho dedo a nivel volar.\n \n La paciente fue diagnosticada de subluxación y remitida a consultas de Traumatología Infantil con control radiográfico. Allí se objetiva a la exploración un aumento macroscópico de la base de la falange media del 2o dedo de la mano derecha, y limitación de la flexión interfalángica proximal, con un máximo de 50 grados. Acude con radiografía control.\n \n En la radiografía se observa un aumento de la porción palmar de la base de la falange media con borramiento del cartílago de crecimiento a ese nivel; en la proyección anteroposterior se evidencia superposición ósea. Se postula como posible diagnóstico la existencia de una fractura antigua de falange media con callo de fractura prominente y epifisiodesis. La paciente es remitida Unidad de mano de Cirugía Plástica y Reparadora para valoración de secuela de fractura.\n En la primera consulta en el Servicio de Cirugía Plástica y Reparadora no se aprecian cambios en la exploración respecto a los descritos por Traumatología Infantil. La paciente no aporta las radiografías que le habían sido entregadas en mano en Urgencias y Traumatología Infantil por lo que se le cita nuevamente para radiografía de control y se insiste en la necesidad de que aporte las radiografías previas. Osteocondroma gigante de falange en paciente pediátrico Cirugía\n La paciente no acude a la cita en los 2 años siguientes. Pasado este tiempo, solicita nuevamente cita en consulta de Cirugía Plástica y Reparadora por aumento de la deformidad del dedo. A la exploración se observa un notable aumento de la base de la falange media del 2o dedo de la mano derecha (macrodactilia). La alteración de la flexión es mayor, alcanzando los 20 grados de flexión máxima. Solicitamos radiografía de control.\n \n Observamos en las radiografías, en proyección de perfil, la existencia de una masa de aspecto lobulado, con distintas densidades, que parece provenir del tercio inferior de la falange media del 2o dedo. La masa alcanza el tercio superior de partes blandas de la falange proximal. Asimismo destaca la presencia de una muesca en su porción superior. En la proyección anteroposterior apreciamos que la masa sobrepasa la extensión de anchura de la segunda falange.\n Ante la sospecha de osteocondroma/encondroma solicitamos RM que informa de la existencia de una exóstosis lobulada de 12 mm de espesor, con base de 20x20 mm, que se extiende proximalmente afectando a la placa volar de inserción del sistema flexor superficial, con desplazamiento del tendón flexor profundo y del sistema de anclaje de poleas, compatible con osteocondroma.\n \n Estadiamos el tumor empleando la clasificación de Enneking y determinamos que se trataba de un estadio III, lesión benigna agresiva: lesión benigna de baja agresividad (G0), con afectación de la inserción perióstica del extensor superficial (extracompartimental) (T2) y sin metástasis (M0).\n Dada la alteración funcional que presentaba la paciente y el tamaño de la masa tumoral, decidimos llevar a cabo tratamiento de la lesión.\n En la cirugía efectuamos acceso a la lesión mediante técnica de Brunner en zig-zag evitando así la sección transversal de los pliegues palmares que pudiera generar futuras retracciones. Localizamos el tendón flexor superficial y colocamos la articulación metacarpofalángica del 2o dedo, así como la muñeca, en flexión máxima para alcanzar la porción más proximal del tendón flexor superficial. Lo seccionamos, elegiendo realizar dicha sección a nivel proximal para prevenir la aparición del fenómeno conocido como Cuádriga de Verdán, entendido como alteración de la flexión de la articulación metacarpofalángica por adhesión en una articulación del cabo proximal de un tendón tras su sección. Mediante escoplo, escindimos la porción de la tumoración que sobresalía de la falange sana y una porción de la cortical adyacente. Seguidamente practicamos curetaje mediante cucharilla de la médula y del tejido óseo de la superficie dorsal.\n \n Para la reconstrucción: de la cavidad generada empleamos material osteoconductor (Actifuse Abx Silicated Calcium Phosphate®, BioSurgery, EE.UU). Efectuamos inmovilización mediante férula dorsal de yeso desde tercio proximal del antebrazo hasta final de los dedos, con muñeca en 40o de flexión palmar, articulaciones metacarpofalángicas en 90o y articulaciones interfalángicas en extensión. Mantuvimos la inmovilización durante 3 semanas, tras las cuales no fue necesaria la rehabilitación dada la edad de la paciente y la buena movilidad postoperatoria que presentaba.\n Practicamos radiografía de control anual sin evidencias de recidiva y con movilidad completa tras 3 años y 8 meses de seguimiento postoperatorio.\n \n", "section_annotation": { "gold": [ { "end_offset": 110, "label": "PRESENT_ILLNESS", "segment": "Niña de 2 años de edad que es traída a Urgencias por presentar una deformidad del 2o dedo de la mano derecha. 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"end_offset": 4648, "span": "progresivo", "start_offset": 4638 }, { "boundary": null, "end_offset": 4651, "span": "de", "start_offset": 4649 }, { "boundary": null, "end_offset": 4655, "span": "las", "start_offset": 4652 }, { "boundary": null, "end_offset": 4662, "span": "dosis.", "start_offset": 4656 }, { "boundary": null, "end_offset": 4665, "span": "\n \n", "start_offset": 4662 } ] }, "note_id": "S0376-78922015000100012-1", "note_text": "Mujer de 49 años de edad con antecedentes personales de asma bronquial. En revisión ginecológica periódica se le diagnostica carcinoma ductal infiltrante de mama izquierda y es sometida a mastectomía radical modificada con vaciamiento axilar por el Servicio de Cirugía General, recibiendo tratamiento adyuvante con radioterapia y quimioterapia. El estudio de extensión resultó negativo para adenopatías locorregionales y metástasis a distancia (pT3pN0M0). Al finalizar el tratamiento la paciente solicita reconstrucción mamaria, por lo que es remitida al Servicio de Cirugía Plástica.\n A los 4 años de la mastectomía se procedió a la reconstrucción mamaria con diversos procedimientos que describimos a continuación. En primer lugar reconstrucción de mama izquierda con colgajo miocutáneo de recto abdominal transverso (TRAM), sufriendo pérdida parcial del mismo que se resolvió con desbridamiento y cierre directo. Dos años después se colocó prótesis expansora de Becker subTRAM y finalmente, se realizó recambio del expansor por prótesis mamaria definitiva y mastopexia simetrizadora de mama contralateral, quedando pendiente de completar la reconstrucción del complejo areola pezón (CAP). En el postoperatorio de la última intervención comienza la aparición en la zona periareolar de la mama derecha y en el centro del colgajo de la mama izquierda de pequeñas lesiones pustulosas con posterior desarrollo de úlceras dolorosas de borde violáceo y fondo con tejido de granulación,.\n \n Con el presunto diagnóstico de dehiscencia de herida quirúrgica se realiza biopsia que informa de tejido de granulación, por lo que la paciente es sometida a curas con desbridamiento durante más de 12 meses. Dada la mala evolución, se decide interconsulta al Servicio de Dermatología, donde ante la sospecha inicial de pioderma gangrenoso, se realiza estudio exhaustivo para descartar otros procesos. Se solicitaron las siguientes pruebas:\n - Analítica, incluyendo estudio de autoinmunidad (ANAs y ENAs) y proteinograma: sin alteraciones patológicas.\n - Serología luética, virus hepatitis B y C, VIH: negativa.\n - Mantoux: negativo.\n - Radiografía de tórax: engrosamiento difuso de las paredes bronquiales; cambios quirúrgicos en mama izquierda con grapas en región axilar.\n - Biopsia con técnicas de PAS, Grocott y Ziehl- Neelsen: ulceración epidérmica focal con abscesificación dérmica y folicular, inflamación crónica linfohistiocitaria y plasmocitaria adyacente y de distribución perivascular en dermis superficial y profunda. Hallazgos histopatológicos compatibles con la sospecha clínica de pioderma gangrenoso clásico o ulcerado.\n \n - Cultivo biopsia (aerobio, anaerobio, hongos y micobacterias): negativo.\n Tras el diagnóstico de exclusión de pioderma gangrenoso clásico, iniciamos tratamiento con prednisona oral a dosis de 60 mg/día asociando propionato de clobetasol 0,05% tópico durante 3 meses. Al reducir la pauta esteroidea a 30 mg/día la paciente comenzó con un rebrote de las lesiones, por lo que decidimos asociar tratamiento con ciclosporina a dosis de 4 mg/Kg de peso, sustituir los corticoides tópicos por tacrolimus 0,1% tópico y reducir también paulatinamente la prednisona hasta su suspensión durante un periodo de mes y medio.\n Inicialmente, la paciente experimenta una evolución favorable salvo hipertensión controlada con un diurético tiazídico y se consigue una buena reepitelización de las lesiones; pero tras 2 meses de tratamiento con ciclosporina comienza con efectos secundarios muy molestos: hiperplasia gingival, hipertricosis, hirsutismo y disestesias que nos obligan a la reducción progresiva de este tratamiento, lo que tiene como consecuencia un nuevo rebrote de pequeñas lesiones pustulosas que infiltramos con triamcinolona a la vez que retiramos el tacrolimus tópico. La intolerancia de la paciente a los efectos secundarios de la ciclosporina, nos obligó a su suspensión completa tras 4 meses de tratamiento.\n \n Finalmente, ante la aparición de nuevas lesiones y la mala tolerancia a los tratamientos previos, optamos por iniciar tratamiento con infliximab (agente anti-TNF), comenzando con una terapia de inducción de 5 mg/kg a las 0, 2 y 6 semanas similar a la empleada en la enfermedad inflamatoria intestinal o en la psoriasis, continuando con infusiones de mantenimiento cada 8 semanas. La paciente evolucionó de forma satisfactoria con reepitelización completa a los 2 meses del nuevo tratamiento, por lo que decidimos mantener el tratamiento de forma similar al de otras dermatosis inflamatorias hasta objetivar estabilización de la enfermedad, tras lo cual nos plantearemos reducir, con espaciamiento progresivo de las dosis.\n \n", "section_annotation": { "gold": [ { "end_offset": 25, "label": "PRESENT_ILLNESS", "segment": "Mujer de 49 años de edad ", "start_offset": 0 }, { "end_offset": 72, "label": "PAST_MEDICAL_HISTORY", "segment": "con antecedentes personales de asma bronquial. ", "start_offset": 25 }, { "end_offset": 345, "label": "TREATMENT", "segment": "En revisión ginecológica periódica se le diagnostica carcinoma ductal infiltrante de mama izquierda y es sometida a mastectomía radical modificada con vaciamiento axilar por el Servicio de Cirugía General, recibiendo tratamiento adyuvante con radioterapia y quimioterapia. 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Dos años después se colocó prótesis expansora de Becker subTRAM y finalmente, se realizó recambio del expansor por prótesis mamaria definitiva y mastopexia simetrizadora de mama contralateral, quedando pendiente de completar la reconstrucción del complejo areola pezón (CAP). 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", "start_offset": 1607 }, { "end_offset": 1887, "label": "DERIVED_FROM/TO", "segment": "Dada la mala evolución, se decide interconsulta al Servicio de Dermatología, donde ante la sospecha inicial de pioderma gangrenoso, se realiza estudio exhaustivo para descartar otros procesos. ", "start_offset": 1694 }, { "end_offset": 2701, "label": "EXPLORATION", "segment": "Se solicitaron las siguientes pruebas:\n - Analítica, incluyendo estudio de autoinmunidad (ANAs y ENAs) y proteinograma: sin alteraciones patológicas.\n - Serología luética, virus hepatitis B y C, VIH: negativa.\n - Mantoux: negativo.\n - Radiografía de tórax: engrosamiento difuso de las paredes bronquiales; cambios quirúrgicos en mama izquierda con grapas en región axilar.\n - Biopsia con técnicas de PAS, Grocott y Ziehl- Neelsen: ulceración epidérmica focal con abscesificación dérmica y folicular, inflamación crónica linfohistiocitaria y plasmocitaria adyacente y de distribución perivascular en dermis superficial y profunda. Hallazgos histopatológicos compatibles con la sospecha clínica de pioderma gangrenoso clásico o ulcerado.\n \n - Cultivo biopsia (aerobio, anaerobio, hongos y micobacterias): negativo.\n ", "start_offset": 1887 }, { "end_offset": 3239, "label": "TREATMENT", "segment": "Tras el diagnóstico de exclusión de pioderma gangrenoso clásico, iniciamos tratamiento con prednisona oral a dosis de 60 mg/día asociando propionato de clobetasol 0,05% tópico durante 3 meses. Al reducir la pauta esteroidea a 30 mg/día la paciente comenzó con un rebrote de las lesiones, por lo que decidimos asociar tratamiento con ciclosporina a dosis de 4 mg/Kg de peso, sustituir los corticoides tópicos por tacrolimus 0,1% tópico y reducir también paulatinamente la prednisona hasta su suspensión durante un periodo de mes y medio.\n ", "start_offset": 2701 }, { "end_offset": 3717, "label": "EVOLUTION", "segment": "Inicialmente, la paciente experimenta una evolución favorable salvo hipertensión controlada con un diurético tiazídico y se consigue una buena reepitelización de las lesiones; pero tras 2 meses de tratamiento con ciclosporina comienza con efectos secundarios muy molestos: hiperplasia gingival, hipertricosis, hirsutismo y disestesias que nos obligan a la reducción progresiva de este tratamiento, lo que tiene como consecuencia un nuevo rebrote de pequeñas lesiones pustulosas ", "start_offset": 3239 }, { "end_offset": 4321, "label": "TREATMENT", "segment": "que infiltramos con triamcinolona a la vez que retiramos el tacrolimus tópico. La intolerancia de la paciente a los efectos secundarios de la ciclosporina, nos obligó a su suspensión completa tras 4 meses de tratamiento.\n \n Finalmente, ante la aparición de nuevas lesiones y la mala tolerancia a los tratamientos previos, optamos por iniciar tratamiento con infliximab (agente anti-TNF), comenzando con una terapia de inducción de 5 mg/kg a las 0, 2 y 6 semanas similar a la empleada en la enfermedad inflamatoria intestinal o en la psoriasis, continuando con infusiones de mantenimiento cada 8 semanas. ", "start_offset": 3717 }, { "end_offset": 4433, "label": "EVOLUTION", "segment": "La paciente evolucionó de forma satisfactoria con reepitelización completa a los 2 meses del nuevo tratamiento, ", "start_offset": 4321 }, { "end_offset": 4665, "label": "TREATMENT", "segment": "por lo que decidimos mantener el tratamiento de forma similar al de otras dermatosis inflamatorias hasta objetivar estabilización de la enfermedad, tras lo cual nos plantearemos reducir, con espaciamiento progresivo de las dosis.\n \n", "start_offset": 4433 } ] } }
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"start_offset": 1101 }, { "boundary": null, "end_offset": 1106, "span": "el", "start_offset": 1104 }, { "boundary": null, "end_offset": 1113, "span": "futuro", "start_offset": 1107 }, { "boundary": null, "end_offset": 1116, "span": "si", "start_offset": 1114 }, { "boundary": null, "end_offset": 1119, "span": "la", "start_offset": 1117 }, { "boundary": null, "end_offset": 1128, "span": "paciente", "start_offset": 1120 }, { "boundary": null, "end_offset": 1130, "span": "o", "start_offset": 1129 }, { "boundary": null, "end_offset": 1133, "span": "la", "start_offset": 1131 }, { "boundary": null, "end_offset": 1141, "span": "familia", "start_offset": 1134 }, { "boundary": null, "end_offset": 1144, "span": "lo", "start_offset": 1142 }, { "boundary": null, "end_offset": 1155, "span": "requieren.", "start_offset": 1145 }, { "boundary": null, "end_offset": 1158, "span": "\n \n", "start_offset": 1155 } ] }, "note_id": "S0376-78922016000300005-2", "note_text": "Paciente neonato de sexo femenino con 8 días de vida que sufre cefalohematoma tras parto con fórceps. La Unidad de Neonatología de nuestro centro hospitalario solicita valoración a Cirugía Plástica. En la exploración clínica observamos tejido necrótico de aproximadamente 3x4 cm de diámetro en la región occipital.\n \n Procedimos a desbridamientos seriados que se llevaron a cabo a los 8 y 15 días de vida de la paciente. En esa segunda intervención, optamos por la colocación de un sistema de terapia de vacío (Renasys®, Smith&Nephew®, Londres, Reino Unido) de modo continuo, a 120 mmHg durante 20 días, con cambios de apósitos cada 72 horas. Con este tratamiento observamos contracción del defecto original, procediendo a realizar colgajos rotacionales para el cierre definitivo de la herida.\n La paciente fue dada de alta en el 4o día de postoperatorio, sin mayores incidencias. La última valoración fue realizada a los 18 meses de postoperatorio, observando solo una pequeña zona de alopecia cicatricial así como una brida en la región de la nuca, susceptibles de nuevas intervenciones quirúrgicas en el futuro si la paciente o la familia lo requieren.\n \n", "section_annotation": { "gold": [ { "end_offset": 102, "label": "PRESENT_ILLNESS", "segment": "Paciente neonato de sexo femenino con 8 días de vida que sufre cefalohematoma tras parto con fórceps. ", "start_offset": 0 }, { "end_offset": 199, "label": "DERIVED_FROM/TO", "segment": "La Unidad de Neonatología de nuestro centro hospitalario solicita valoración a Cirugía Plástica. ", "start_offset": 102 }, { "end_offset": 318, "label": "EXPLORATION", "segment": "En la exploración clínica observamos tejido necrótico de aproximadamente 3x4 cm de diámetro en la región occipital.\n \n ", "start_offset": 199 }, { "end_offset": 795, "label": "TREATMENT", "segment": "Procedimos a desbridamientos seriados que se llevaron a cabo a los 8 y 15 días de vida de la paciente. En esa segunda intervención, optamos por la colocación de un sistema de terapia de vacío (Renasys®, Smith&Nephew®, Londres, Reino Unido) de modo continuo, a 120 mmHg durante 20 días, con cambios de apósitos cada 72 horas. Con este tratamiento observamos contracción del defecto original, procediendo a realizar colgajos rotacionales para el cierre definitivo de la herida.\n ", "start_offset": 318 }, { "end_offset": 1158, "label": "EVOLUTION", "segment": "La paciente fue dada de alta en el 4o día de postoperatorio, sin mayores incidencias. 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"edad.", "start_offset": 1777 }, { "boundary": null, "end_offset": 1785, "span": "\n \n", "start_offset": 1782 } ] }, "note_id": "S0376-78922016000300005-3", "note_text": "Paciente varón recién nacido a las 40 semanas de gestación, sin antecedentes de interés, que es remitido a nuestro servicio desde Pediatría de nuestro hospital por presentar malformación linfática microquística cérvicoescápulo- humeral.\n \n A los 7 días de vida se le realiza la punción y evacuación del linfangioma con posterior instilación de polidocanol y etanol. Se repitió el tratamiento 5 días después. De los 7 drenajes colocados, 1 de localización axilar fue retirado a los 3 días por aparente sufrimiento cutáneo.\n Tras la segunda infiltración observamos herida superficial de 3x10 cm de diámetro, que afecta a la región humeral y a la superficie anterior del tórax, secundaria a extravasación por punta del catéter de instilación de polidocanol. La lesión fue tratada con curas con apósitos de hidrocoloide. Una semana después, procedimos a la colocación de un sistema de terapia de vacío (Renasys®, Smith&Nephew®, Londres, Reino Unido) a 100 mmHg, en modo continuo, con la finalidad de acelerar el cierre de la herida y controlar la linforrea. Los cambios de apósitos se realizaron cada 72 horas y la terapia de vacío se utilizó durante 21 días.\n \n El paciente permaneció hospitalizado hasta los 2 meses de vida y fue dado de alta con curas domiciliarias con Aquacel® Ag (ConvaTec®, Reino Unido), hasta lograr el cierre total y estable de la herida de manera ambulatoria.\n A los 11 meses de vida presenta una masa persistente, fundamentalmente a expensas de hipertrofia del tejido celular subcutáneo, con lesiones quísticas residuales de predominio microquístico en la superficie medial del brazo y en la pared torácica. Dado que el paciente está asintomático, tras consultar con la familia decidimos mantener un tratamiento conservador y valorar su evolución con la edad.\n \n", "section_annotation": { "gold": [ { "end_offset": 60, "label": "PRESENT_ILLNESS", "segment": "Paciente varón recién nacido a las 40 semanas de gestación, ", "start_offset": 0 }, { "end_offset": 89, "label": "PAST_MEDICAL_HISTORY", "segment": "sin antecedentes de interés, ", "start_offset": 60 }, { "end_offset": 240, "label": "DERIVED_FROM/TO", "segment": "que es remitido a nuestro servicio desde Pediatría de nuestro hospital por presentar malformación linfática microquística cérvicoescápulo- humeral.\n \n ", "start_offset": 89 }, { "end_offset": 523, "label": "TREATMENT", "segment": "A los 7 días de vida se le realiza la punción y evacuación del linfangioma con posterior instilación de polidocanol y etanol. Se repitió el tratamiento 5 días después. De los 7 drenajes colocados, 1 de localización axilar fue retirado a los 3 días por aparente sufrimiento cutáneo.\n ", "start_offset": 240 }, { "end_offset": 755, "label": "EVOLUTION", "segment": "Tras la segunda infiltración observamos herida superficial de 3x10 cm de diámetro, que afecta a la región humeral y a la superficie anterior del tórax, secundaria a extravasación por punta del catéter de instilación de polidocanol. ", "start_offset": 523 }, { "end_offset": 1159, "label": "TREATMENT", "segment": "La lesión fue tratada con curas con apósitos de hidrocoloide. Una semana después, procedimos a la colocación de un sistema de terapia de vacío (Renasys®, Smith&Nephew®, Londres, Reino Unido) a 100 mmHg, en modo continuo, con la finalidad de acelerar el cierre de la herida y controlar la linforrea. Los cambios de apósitos se realizaron cada 72 horas y la terapia de vacío se utilizó durante 21 días.\n \n ", "start_offset": 755 }, { "end_offset": 1241, "label": "EVOLUTION", "segment": "El paciente permaneció hospitalizado hasta los 2 meses de vida y fue dado de alta ", "start_offset": 1159 }, { "end_offset": 1383, "label": "TREATMENT", "segment": "con curas domiciliarias con Aquacel® Ag (ConvaTec®, Reino Unido), hasta lograr el cierre total y estable de la herida de manera ambulatoria.\n ", "start_offset": 1241 }, { "end_offset": 1631, "label": "EVOLUTION", "segment": "A los 11 meses de vida presenta una masa persistente, fundamentalmente a expensas de hipertrofia del tejido celular subcutáneo, con lesiones quísticas residuales de predominio microquístico en la superficie medial del brazo y en la pared torácica. ", "start_offset": 1383 }, { "end_offset": 1785, "label": "TREATMENT", "segment": "Dado que el paciente está asintomático, tras consultar con la familia decidimos mantener un tratamiento conservador y valorar su evolución con la edad.\n \n", "start_offset": 1631 } ] } }