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What causes Glucose transporter type 1 deficiency syndrome ? | What causes glucose transporter type 1 deficiency syndrome? Glucose transporter type 1 deficiency syndrome (GLUT1 deficiency syndrome) is caused by changes (mutations) in the SLC2A1 gene. This gene encodes a protein that helps transport glucose (a simple sugar) into cells where it is used as fuel. The protein is particularly important in the central nervous system since glucose is the brain's main source of energy. SLC2A1 mutations impair the function of the protein. This significantly reduces the amount of glucose available to brain cells leading to the many signs and symptoms associated with GLUT1 deficiency syndrome. | |
Is Glucose transporter type 1 deficiency syndrome inherited ? | Is glucose transporter type 1 deficiency syndrome inherited? Glucose transporter type 1 deficiency syndrome (GLUT1 deficiency syndrome) is inherited in an autosomal dominant manner. This means that to be affected, a person only needs a change (mutation) in one copy of the responsible gene in each cell. In some cases, an affected person inherits the mutation from an affected parent. Other cases may result from new (de novo) mutations in the gene. These cases occur in people with no history of the disorder in their family. A person with GLUT1 deficiency syndrome has a 50% chance with each pregnancy of passing along the altered gene to his or her child. | |
How to diagnose Glucose transporter type 1 deficiency syndrome ? | How is glucose transporter type 1 deficiency syndrome diagnosed? A diagnosis of glucose transporter type 1 deficiency syndrome (GLUT1 deficiency syndrome) is often suspected based on the presence of characteristic signs and symptoms. Additional testing can then be ordered to confirm the diagnosis. This may include a lumbar puncture, specialized blood tests to measure the blood concentration of glucose and genetic testing. | |
What are the treatments for Glucose transporter type 1 deficiency syndrome ? | How might glucose transporter type 1 deficiency syndrome be treated? There is currently no cure for glucose transporter type 1 deficiency syndrome (GLUT1 deficiency syndrome); however, a special diet (called a ketogenic diet) may help control symptoms in some affected people. The GLUT1 Deficiency Foundation offers an information page with detailed information regarding the ketogenic diet. Please click on the link to access this resource. | |
What is (are) Hennekam syndrome ? | Hennekam syndrome is a rare condition that affects the lymphatic system. Signs and symptoms of the condition are generally noticeable at birth and vary significantly from person to person, even within the same family. Affected people generally experience lymphangiectasia (lymphatic vessels that are abnormally expanded), lymphedema, and distinctive facial features (i.e. a flattened appearance to the middle of the face, puffy eyelids, widely spaced eyes, small ears, and a small mouth). Other common features include intellectual disability, growth delay, respiratory problems, camptodactyly (permanently bent fingers and toes) and cutaneous syndactyly (fusion of the skin between the fingers and toes). Hennekam syndrome is caused by changes (mutations) in the CCBE1 or FAT4 genes and is inherited in an autosomal recessive manner. Treatment is based on the signs and symptoms present in each person. | |
What are the symptoms of Hennekam syndrome ? | What are the signs and symptoms of Hennekam syndrome? The Human Phenotype Ontology provides the following list of signs and symptoms for Hennekam syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormal facial shape 90% Abnormality of dental morphology 90% Cognitive impairment 90% Decreased antibody level in blood 90% Delayed eruption of teeth 90% Depressed nasal bridge 90% External ear malformation 90% Hypertelorism 90% Increased number of teeth 90% Low-set, posteriorly rotated ears 90% Lymphangioma 90% Lymphedema 90% Lymphopenia 90% Malabsorption 90% Malar flattening 90% Reduced number of teeth 90% Abnormality of the genital system 50% Ascites 50% Broad forehead 50% Epicanthus 50% Erysipelas 50% Gingival overgrowth 50% Lymphadenopathy 50% Narrow chest 50% Recurrent respiratory infections 50% Seizures 50% Splenomegaly 50% Abnormal localization of kidney 7.5% Abnormality of neuronal migration 7.5% Abnormality of the foot 7.5% Abnormality of the pericardium 7.5% Abnormality of the pleura 7.5% Arteriovenous malformation 7.5% Benign neoplasm of the central nervous system 7.5% Camptodactyly of finger 7.5% Conductive hearing impairment 7.5% Craniosynostosis 7.5% Finger syndactyly 7.5% Glaucoma 7.5% Hydrops fetalis 7.5% Hypocalcemia 7.5% Narrow mouth 7.5% Pyloric stenosis 7.5% Respiratory insufficiency 7.5% Short philtrum 7.5% Atria septal defect - Autosomal recessive inheritance - Bilateral single transverse palmar creases - Camptodactyly - Conical incisor - Coronal craniosynostosis - Cryptorchidism - Cutaneous finger syndactyly - Delayed skeletal maturation - Ectopic kidney - Flat face - Hirsutism - Horseshoe kidney - Hydronephrosis - Hyperactivity - Hypoalbuminemia - Hypoplastic iliac wing - Intellectual disability - Intestinal lymphangiectasia - Joint contracture of the hand - Low-set ears - Mild postnatal growth retardation - Narrow palate - Oligodontia - Pachygyria - Pectus excavatum - Pericardial effusion - Pericardial lymphangiectasia - Periorbital edema - Pleural effusion - Pleural lymphangiectasia - Protein-losing enteropathy - Rectal prolapse - Retrognathia - Scoliosis - Sensorineural hearing impairment - Short foot - Short palm - Small hand - Smooth philtrum - Spina bifida occulta - Talipes equinovarus - Thyroid lymphangiectasia - Umbilical hernia - Ventricular septal defect - Vesicoureteral reflux - Wide nasal bridge - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Alopecia macular degeneration growth retardation ? | What are the signs and symptoms of Alopecia macular degeneration growth retardation? The Human Phenotype Ontology provides the following list of signs and symptoms for Alopecia macular degeneration growth retardation. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormal hair quantity 90% Abnormality of retinal pigmentation 90% Abnormality of the macula 90% Retinopathy 90% Split hand 90% Aplasia/Hypoplasia of the eyebrow 50% Carious teeth 50% Finger syndactyly 50% Microdontia 50% Reduced number of teeth 50% Strabismus 7.5% Autosomal recessive inheritance - Camptodactyly - Ectodermal dysplasia - Joint contracture of the hand - Macular dystrophy - Selective tooth agenesis - Sparse eyebrow - Sparse eyelashes - Sparse scalp hair - Syndactyly - Widely spaced teeth - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Floating-Harbor syndrome ? | Floating-Harbor syndrome is a genetic disorder that was named for the first two identified patients who were seen at Boston Floating Hospital and Harbor General Hospital in California. The main characteristics of this syndrome are short stature, delayed bone growth, delay in expressive language, and distinct facial features. The exact cause of Floating-Harbor syndrome is not known. Treatment is symptomatic and supportive. | |
What are the symptoms of Floating-Harbor syndrome ? | What are the signs and symptoms of Floating-Harbor syndrome? The Human Phenotype Ontology provides the following list of signs and symptoms for Floating-Harbor syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormality of the eyelashes 90% Abnormality of the voice 90% Abnormality of thumb phalanx 90% Broad columella 90% Delayed skeletal maturation 90% Limitation of joint mobility 90% Low-set, posteriorly rotated ears 90% Neurological speech impairment 90% Short neck 90% Short philtrum 90% Short stature 90% Thin vermilion border 90% Wide mouth 90% Wide nasal bridge 90% Abnormality of immune system physiology 50% Abnormality of the clavicle 50% Abnormality of the soft palate 50% Brachydactyly syndrome 50% Camptodactyly of finger 50% Clinodactyly of the 5th finger 50% Cognitive impairment 50% Constipation 50% Deeply set eye 50% Hypertrichosis 50% Intrauterine growth retardation 50% Joint dislocation 50% Joint hypermobility 50% Malabsorption 50% Triangular face 50% Underdeveloped nasal alae 50% Abnormality of the fingernails 7.5% Abnormality of the urethra 7.5% Attention deficit hyperactivity disorder 7.5% Hypoplasia of penis 7.5% Strabismus 7.5% Telecanthus 7.5% Trigonocephaly 7.5% Atria septal defect 5% Coarctation of aorta 5% Conductive hearing impairment 5% Congenital posterior urethral valve 5% Cryptorchidism 5% Hydronephrosis 5% Hypermetropia 5% Hypospadias 5% Inguinal hernia 5% Mesocardia 5% Nephrocalcinosis 5% Persistent left superior vena cava 5% Recurrent otitis media 5% Umbilical hernia 5% Varicocele 5% Autosomal dominant inheritance - Celiac disease - Cone-shaped epiphyses of the phalanges of the hand - Downturned corners of mouth - Expressive language delay - Hirsutism - Joint laxity - Long eyelashes - Low posterior hairline - Posteriorly rotated ears - Prominent nose - Smooth philtrum - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What causes Floating-Harbor syndrome ? | What causes Floating-Harbor syndrome? The exact cause of Floating-Harbor syndrome is not known. Autosomal dominant inheritance has been suggested. | |
What are the treatments for Floating-Harbor syndrome ? | How might Floating-Harbor syndrome be treated? Treatment for Floating-Harbor syndrome is symptomatic and supportive. For example, dental problems and cataracts may be surgically corrected and sign language and/or speech therapy may help with delays in expressive language. Additional management strategies may be obtained from the Floating Harbor Syndrome Support Group at: http://www.floatingharborsyndromesupport.com/ or 336-492-2641. | |
What are the symptoms of Torg Winchester syndrome ? | What are the signs and symptoms of Torg Winchester syndrome? The Human Phenotype Ontology provides the following list of signs and symptoms for Torg Winchester syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Arthropathy - Coarse facial features - Corneal opacity - Generalized osteoporosis - Gingival overgrowth - Osteolysis involving bones of the feet - Osteolysis involving bones of the upper limbs - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Cardioskeletal syndrome Kuwaiti type ? | What are the signs and symptoms of Cardioskeletal syndrome Kuwaiti type? The Human Phenotype Ontology provides the following list of signs and symptoms for Cardioskeletal syndrome Kuwaiti type. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormal form of the vertebral bodies 90% Abnormality of the metaphyses 90% Accelerated skeletal maturation 90% Atria septal defect 90% Limb undergrowth 90% Narrow chest 90% Short stature 90% Ventricular septal defect 90% Abnormality of the mitral valve 50% Abnormality of the pulmonary artery 50% Abnormality of the ribs 50% Abnormality of the tricuspid valve 50% Kyphosis 50% Abnormality of cardiovascular system morphology - Autosomal recessive inheritance - Skeletal dysplasia - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Kasznica Carlson Coppedge syndrome ? | What are the signs and symptoms of Kasznica Carlson Coppedge syndrome? The Human Phenotype Ontology provides the following list of signs and symptoms for Kasznica Carlson Coppedge syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormality of the palate 90% Hearing abnormality 90% Myelomeningocele 90% Ventricular septal defect 50% The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Patent ductus venosus ? | What are the signs and symptoms of Patent ductus venosus? The Human Phenotype Ontology provides the following list of signs and symptoms for Patent ductus venosus. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Congenital portosystemic venous shunt - Decreased liver function - Hepatic encephalopathy - Hepatic steatosis - Hyperammonemia - Hypergalactosemia - Persistent patent ductus venosus - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Hypohidrotic ectodermal dysplasia with immune deficiency ? | What are the signs and symptoms of Hypohidrotic ectodermal dysplasia with immune deficiency? The Human Phenotype Ontology provides the following list of signs and symptoms for Hypohidrotic ectodermal dysplasia with immune deficiency. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Dysgammaglobulinemia - Ectodermal dysplasia - Immunodeficiency - Recurrent infections - X-linked recessive inheritance - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Multicentric osteolysis nephropathy ? | What are the signs and symptoms of Multicentric osteolysis nephropathy? The Human Phenotype Ontology provides the following list of signs and symptoms for Multicentric osteolysis nephropathy. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormality of the metacarpal bones 90% Decreased body weight 90% EMG abnormality 90% Gait disturbance 90% Limitation of joint mobility 90% Proptosis 90% Proteinuria 90% Skeletal muscle atrophy 90% Slender long bone 90% Triangular face 90% Camptodactyly of finger 50% Nephropathy 50% Abnormality of epiphysis morphology 7.5% Downturned corners of mouth 7.5% Polyhydramnios 7.5% Telecanthus 7.5% Wide nasal bridge 7.5% Ankle swelling - Arthralgia - Autosomal dominant inheritance - Carpal osteolysis - Hypertension - Hypoplasia of the maxilla - Metacarpal osteolysis - Metatarsal osteolysis - Osteolysis involving tarsal bones - Osteopenia - Pes cavus - Renal insufficiency - Ulnar deviation of the hand or of fingers of the hand - Wrist swelling - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Cryptomicrotia brachydactyly syndrome ? | What are the signs and symptoms of Cryptomicrotia brachydactyly syndrome? The Human Phenotype Ontology provides the following list of signs and symptoms for Cryptomicrotia brachydactyly syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormal dermatoglyphics 90% Short distal phalanx of finger 90% Bifid scrotum 50% Freckling 50% Hypoplastic toenails 50% Telecanthus 50% Autosomal dominant inheritance - Brachytelomesophalangy - Chordee - Microtia - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Hemophagocytic lymphohistiocytosis, familial, 3 ? | What are the signs and symptoms of Hemophagocytic lymphohistiocytosis, familial, 3? The Human Phenotype Ontology provides the following list of signs and symptoms for Hemophagocytic lymphohistiocytosis, familial, 3. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Reduced natural killer cell activity 13/13 Anemia 12/14 Granulocytopenia 11/14 Autosomal recessive inheritance - Fever - Hemophagocytosis - Hepatosplenomegaly - Hypertriglyceridemia - Hypofibrinogenemia - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Deafness, autosomal dominant nonsyndromic sensorineural 22 ? | What are the signs and symptoms of Deafness, autosomal dominant nonsyndromic sensorineural 22? The Human Phenotype Ontology provides the following list of signs and symptoms for Deafness, autosomal dominant nonsyndromic sensorineural 22. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Autosomal dominant inheritance - Sensorineural hearing impairment - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Chondrodysplasia acromesomelic with genital anomalies ? | What are the signs and symptoms of Chondrodysplasia acromesomelic with genital anomalies? The Human Phenotype Ontology provides the following list of signs and symptoms for Chondrodysplasia acromesomelic with genital anomalies. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Aplasia of the proximal phalanges of the hand - Aplasia/Hypoplasia involving the metacarpal bones - Autosomal recessive inheritance - Broad foot - Carpal synostosis - Disproportionate short-limb short stature - Fibular aplasia - Hypergonadotropic hypogonadism - Hypoplasia of the ulna - Hypoplasia of the uterus - Primary amenorrhea - Radial deviation of finger - Short femoral neck - Short finger - Short phalanx of finger - Short toe - Talipes equinovarus - Tarsal synostosis - Widened proximal tibial metaphyses - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Anti-plasmin deficiency, congenital ? | What are the signs and symptoms of Anti-plasmin deficiency, congenital? The Human Phenotype Ontology provides the following list of signs and symptoms for Anti-plasmin deficiency, congenital. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Autosomal recessive inheritance - Bruising susceptibility - Hemothorax - Joint hemorrhage - Persistent bleeding after trauma - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Melioidosis ? | Melioidosis is an infectious disease caused by the bacteria Burkholderia pseudomallei that are commonly found in the soil and water. Melioidosis is a rare disease in the United States, but it is common in tropical or subtropical areas of the world, including Southeast Asia, Africa, and Australia. The signs and symptoms of the disease can vary greatly and may mimic those of tuberculosis or common forms of pneumonia. Signs and symptoms may include pain or swelling, fever, abscess, cough, high fever, headache, trouble breathing, and more. Although healthy people can also experience signs and symptoms of the disease, people with certain conditions like diabetes, liver disease, kidney disease, lung disease, thalassemia, cancer, or certain autoimmune diseases are more severely affected. Diagnosis is made by collecting blood, sputum, urine, or pus samples and growing the bacteria. Current treatment is divided into two stages: an intravenous (IV) antibiotic stage and oral antibiotic maintenance stage to prevent recurrence. | |
What is (are) Lynch syndrome ? | Lynch syndrome is an inherited condition that causes an increased risk of developing cancer. Individuals with Lynch syndrome have a higher risk of developing colon and rectal cancer, as well as cancers of the stomach, small intestine, liver, gallbladder ducts, upper urinary tract, brain, skin, and prostate. Women with Lynch syndrome also have a high risk of developing uterine cancer (also called endometrial cancer) and ovarian cancer. Even though the disorder was originally described as not involving noncancerous (benign) growths (polyps) in the colon, people with Lynch syndrome may occasionally have colon polyps. Lynch syndrome has an autosomal dominant pattern of inheritance and is caused by a mutation in the MLH1, MSH2, MSH6, PMS2 or EPCAM gene. | |
What are the symptoms of Lynch syndrome ? | What are the signs and symptoms of Lynch syndrome? The Human Phenotype Ontology provides the following list of signs and symptoms for Lynch syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Anemia 90% Constipation 90% Gastrointestinal hemorrhage 90% Intestinal obstruction 90% Malabsorption 90% Neoplasm of the colon 90% Neoplasm of the rectum 90% Weight loss 90% Biliary tract neoplasm 50% Neoplasm of the nervous system 50% Neoplasm of the pancreas 50% Neoplasm of the small intestine 50% Neoplasm of the stomach 50% Ovarian neoplasm 50% Renal neoplasm 50% Uterine neoplasm 50% Ascites 7.5% Hepatomegaly 7.5% Nausea and vomiting 7.5% Recurrent urinary tract infections 7.5% Autosomal dominant inheritance - Colon cancer - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What causes Lynch syndrome ? | What causes Lynch syndrome? Lynch syndrome is caused by mutations in at least 5 genes (MLH1, MSH2, MSH6, PMS2 or EPCAM). All of these genes are involved in the repair of mistakes made when DNA is copied (DNA replication) in preparation for cell division. Mutations in any of these genes prevent the proper repair of DNA replication mistakes. As the abnormal cells continue to divide, the accumulated mistakes can lead to uncontrolled cell growth and possibly cancer. Although mutations in these genes predispose individuals to cancer, not all people who carry these mutations develop cancerous tumors. | |
Is Lynch syndrome inherited ? | Is Lynch syndrome an inherited condition? Lynch syndrome cancer risk is inherited in an autosomal dominant pattern, which means one inherited copy of the altered gene in each cell is sufficient to increase cancer risk. It is important to note that people inherit an increased risk of cancer, not the disease itself. Not all people who inherit mutations in these genes will develop cancer. | |
How to diagnose Lynch syndrome ? | How is Lynch syndrome diagnosed? The diagnosis of Lynch syndrome can be made on the basis of the Amsterdam clinical criteria or on the basis of molecular genetic testing for germline mutations in one of several mismatch repair (MMR) genes. To read detailed diagnostic strategies, click here. | |
What is (are) Mitochondrial DNA-associated Leigh syndrome ? | Mitochondrial DNA-associated Leigh syndrome is a progressive brain disorder that usually appears in infancy or early childhood. Affected children may experience vomiting, seizures, delayed development, muscle weakness, and problems with movement. Heart disease, kidney problems, and difficulty breathing can also occur in people with this disorder. Mitochondrial DNA-associated Leigh syndrome is a subtype of Leigh syndrome and is caused by changes in mitochondrial DNA. Mutations in at least 11 mitochondrial genes have been found to cause mtDNA-associated Leigh syndrome. This condition has an inheritance pattern known as maternal or mitochondrial inheritance. Because mitochondria can be passed from one generation to the next only through egg cells (not through sperm cells), only females pass mitochondrial DNA-associated Leigh syndrome to their children. | |
What are the symptoms of Mitochondrial DNA-associated Leigh syndrome ? | What are the signs and symptoms of Mitochondrial DNA-associated Leigh syndrome? The Human Phenotype Ontology provides the following list of signs and symptoms for Mitochondrial DNA-associated Leigh syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormality of movement 90% Cognitive impairment 90% Incoordination 90% Muscular hypotonia 90% Nystagmus 90% Respiratory insufficiency 90% Strabismus 90% Ophthalmoparesis 50% Optic atrophy 50% Seizures 50% Abnormal pattern of respiration - Ataxia - Autosomal recessive inheritance - CNS demyelination - Dysarthria - Dystonia - Emotional lability - Failure to thrive - Hepatocellular necrosis - Heterogeneous - Hyperreflexia - Hypertrichosis - Increased CSF lactate - Increased serum lactate - Infantile onset - Intellectual disability - Lactic acidosis - Mitochondrial inheritance - Ophthalmoplegia - Phenotypic variability - Pigmentary retinopathy - Progressive - Ptosis - Respiratory failure - Sensorineural hearing impairment - Spasticity - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Frontotemporal dementia ? | Frontotemporal dementia describes a group of conditions associated with shrinking of the frontal and temporal anterior lobes of the brain. Symptoms include either variable changes in behavior (e.g., impulsive, bored, listless, lack of social contact, lack of empathy, distractibility, blunted emotions, compulsive behavior, decreased energy and motivation) or problems with language (e.g., difficulty making or understanding speech). Spatial skills and memory remain intact. There is a strong genetic component to the disease; it often runs in families. There is no cure for frontotemporal dementia at this time, as a result treatment remains supportive. Although the name and classification of FTD has been a topic of discussion for over a century, the current classification of the syndrome groups together Picks disease, primary progressive aphasia, and semantic dementia as FTD. Some doctors propose adding corticobasal degeneration and progressive supranuclear palsy to FTD and calling the group Pick Complex. You can click on the links to view the GARD pages on these conditions. | |
What are the symptoms of Frontotemporal dementia ? | What are the signs and symptoms of Frontotemporal dementia? The Human Phenotype Ontology provides the following list of signs and symptoms for Frontotemporal dementia. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Amyotrophic lateral sclerosis - Apathy - Autosomal dominant inheritance - Disinhibition - Frontal lobe dementia - Frontotemporal dementia - Hyperorality - Inappropriate laughter - Inappropriate sexual behavior - Irritability - Language impairment - Neuronal loss in central nervous system - Parkinsonism - Personality changes - Polyphagia - Primitive reflexes (palmomental, snout, glabellar) - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Psoriatic juvenile idiopathic arthritis ? | Psoriatic juvenile idiopathic arthritis is a subtype of juvenile idiopathic arthritis that is characterized by both arthritis and psoriasis. Other signs and symptoms may include dactylitis (inflammation and swelling of an entire finger or toe); nail pitting or splitting; and eye problems. Although the underlying cause of psoriatic juvenile idiopathic arthritis is currently unknown (idiopathic), it is thought to occur due to a combination of genetic and environmental factors. It is very rare for more than one member of a family to have juvenile arthritis; however, research suggests that having a family member with juvenile arthritis or any autoimmune disease may increase the risk of having juvenile arthritis, in general. Treatment usually involves different types of medications to help manage symptoms and/or physical therapy. | |
What is (are) Cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy ? | Cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy, commonly known as CARASIL, is an inherited condition that causes stroke and other impairments. This progressive condition is characterized by muscle stiffness, mood and personality changes, dementia, memory loss, alopecia of the scalp, and attacks of low back pain. CARASIL is caused by mutations in the HTRA1 gene. It is inherited in an autosomal recessive pattern. | |
What are the symptoms of Cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy ? | What are the signs and symptoms of Cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy? The Human Phenotype Ontology provides the following list of signs and symptoms for Cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Nystagmus 5% Abnormality of extrapyramidal motor function - Alopecia - Arteriosclerosis of small cerebral arteries - Ataxia - Autosomal recessive inheritance - Babinski sign - Dementia - Diffuse demyelination of the cerebral white matter - Diffuse white matter abnormalities - Dysarthria - Gait disturbance - Hyperreflexia - Low back pain - Progressive encephalopathy - Pseudobulbar signs - Rigidity - Spasticity - Urinary incontinence - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Congenital myasthenic syndrome with episodic apnea ? | What are the signs and symptoms of Congenital myasthenic syndrome with episodic apnea? The Human Phenotype Ontology provides the following list of signs and symptoms for Congenital myasthenic syndrome with episodic apnea. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormality of the immune system - Apneic episodes precipitated by illness, fatigue, stress - Autosomal recessive inheritance - Bulbar palsy - Congenital onset - Decreased miniature endplate potentials - Dysphagia - EMG: decremental response of compound muscle action potential to repetitive nerve stimulation - Fatigable weakness - Generalized hypotonia due to defect at the neuromuscular junction - Ophthalmoparesis - Poor suck - Ptosis - Respiratory distress - Respiratory insufficiency due to muscle weakness - Strabismus - Sudden episodic apnea - Type 2 muscle fiber atrophy - Weak cry - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Amyloidosis AA ? | Amyloidosis is a group of diseases in which a protein, called amyloid, builds up in the body's organs and tissues. Amyloidosis AA is also referred to as Secondary amyloidosis or Inflammatory amyloidosis. This disease is caused by a long-lasting infection or inflammatory disease such as rheumatoid arthritis, familial Mediterranean fever, or osteomyelitis. Infection or inflammation in the body causes an increased amount of a specific protein called serum amyloid A (SAA) protein. In this disease, part of the SAA protein forms deposits called "amyloid fibrils". These desposits occur in the space around the cells of certain tissues of the body. Amyloidosis AA usually begins as a disease in the kidneys, but other organs can be affected such as the liver and spleen. Medical or surgical treatment of the underlying infection or inflammatory disease can slow down or stop the progression of this condition. | |
What are the treatments for Amyloidosis AA ? | What are the most current treatments for this disease? In amyloidosis AA, the treatment depends on the underlying disease. It is important to control the chronic infection or inflammatory disease which is responsible for the amyloid. Both surgery and medication can be used to achieve successful treatment outcomes for patients. Medscape Reference provides current and comprehensive information on medical treatment options for amyloidosis AA based on the underlying inflammatory disease or infection. Please visit the link below. You may need to register to view the article, but registration is free. http://emedicine.medscape.com/article/335559-treatment#showall Kidney transplant is an important option in patients with amyloidosis AA in which stable control of the underlying disease has been achieved. However, appropriate patient selection is strongly recommended due to a higher incidence of heart failure and infections in AA individuals. Currently there is a clinical study on the safety and effectiveness of the medication KIACTA in preventing decline of renal function in patients with amyloidosis AA. CLICK HERE to learn more about this study including the six study locations within the United States. | |
What is (are) Denys-Drash syndrome ? | Denys-Drash syndrome is a condition that affects the kidneys and genitalia. Kidney disease typically begins in the first few months of life, often leading to kidney failure in childhood. In addition, up to 90 percent of people with this condition develop a rare form of kidney cancer known as Wilms tumor. Males with Denys-Drash syndrome have gonadal dysgenesis, a condition in which the external genitalia do not look clearly male or clearly female (ambiguous genitalia) or the genitalia appear to be completely female. The testes are also undescended, meaning that they remain in the pelvis, abdomen, or groin. Affected females usually have normal genitalia. For this reason, females with this condition may be diagnosed with isolated nephrotic syndrome. Denys-Drash syndrome is caused by mutations in the WT1 gene. This condition is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. However, most cases result from new mutations in the gene and occur in people with no history of the disorder in their family. | |
What are the symptoms of Denys-Drash syndrome ? | What are the signs and symptoms of Denys-Drash syndrome? The Human Phenotype Ontology provides the following list of signs and symptoms for Denys-Drash syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Male pseudohermaphroditism 90% Nephroblastoma (Wilms tumor) 90% Nephropathy 90% Nephrotic syndrome 90% Proteinuria 90% Hypertension 50% Gonadal dysgenesis 7.5% Ambiguous genitalia, female - Ambiguous genitalia, male - Autosomal dominant inheritance - Congenital diaphragmatic hernia - Diffuse mesangial sclerosis - Focal segmental glomerulosclerosis - Gonadal tissue inappropriate for external genitalia or chromosomal sex - Ovarian gonadoblastoma - Somatic mutation - Stage 5 chronic kidney disease - True hermaphroditism - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What causes Denys-Drash syndrome ? | What causes Denys-Drash syndrome? Denys-Drash syndrome is caused by mutations in the WT1 gene. This gene provides instructions for making a protein (the WT1 protein) that regulates the activity of other genes by attaching (binding) to specific regions of DNA. The WT1 protein plays a role in the development of the kidneys and gonads (ovaries in females and testes in males) before birth. The WT1 gene mutations that cause Denys-Drash syndrome lead to the production of an abnormal protein that cannot bind to DNA. As a result, the activity of certain genes is unregulated, which impairs the development of the kidneys and reproductive organs. Abnormal development of these organs leads to diffuse glomerulosclerosis (where scar tissue forms throughout glomeruli, the tiny blood vessels in the kidney that filter waste from blood) and gonadal dysgenesis, which are characteristic features of Denys-Drash syndrome. The abnormal gene activity caused by the loss of normal WT1 protein also increases the risk of developing Wilms tumor in affected individuals. | |
Is Denys-Drash syndrome inherited ? | Is Denys-Drash syndrome inherited? Denys-Drash syndrome is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. Most cases of Denys-Drash syndrome result from new (de novo) mutations in the gene that occur during the formation of reproductive cells (eggs or sperm) or in early embryonic development. These cases occur in people with no history of the disorder in their family. | |
What is (are) Blue rubber bleb nevus syndrome ? | Blue rubber bleb nevus syndrome is a condition in which the blood vessels do not develop properly in an area of the skin or other body organ (particularly the intestines). The malformed blood vessels appear as a spot or lesion called a nevus. The underlying blood vessel malformations are present from birth even though the nevus may not be visible until later in life. The size, number, location, and severity of these malformations vary from person to person. Affected areas on the skin can be painful or tender to the touch and may be prone to sweating (hyperhidrosis). Nevi in the intestines can bleed spontaneously and cause anemia or more serious complications. Other symptoms vary depending on the organ affected. Treatment is tailored to the individual depending on the location and symptoms caused by the affected areas. | |
What are the symptoms of Blue rubber bleb nevus syndrome ? | What are the signs and symptoms of Blue rubber bleb nevus syndrome? Symptoms and severity of blue rubber bleb nevus syndrome varies greatly from person to person. In general, blue rubber bleb nevus syndrome is characterized by skin spots (nevi) that may be few to hundreds in number. Size tends varies from millimeters to several centimeters in length. These nevi are made of blood vessels and are spongy, meaning they can easily be pressed upon. When pressure is released, they refill with blood and regain their original shape. They tend to be blue but can vary in color and shape. The surface of the nevi may be smooth or wrinkled and they often have a rubbery feel. They do not tend to bleed spontaneously, but are fragile and will bleed if injured. They may be tender to the touch. They may also be associated with increased sweating in the area of the skin legions. The number and size of legions may worsen with advancing age. Nevi may also be found in the intestines (particularly the small intestine) in individuals with blue rubber bleb nevus syndrome. These nevi can bleed spontaneously causing anemia. Most bleeding from the gastrointestinal tract is slow; however, sudden quick bleeding (hemorrhage) is possible. Other serious complications of gastrointestinal legions may include intussusception, bowel infarction, and even death. Blue rubber bleb nevus syndrome can affect other body organs as well. Nevi have been reported in the skull, central nervous system, thyroid, parotid, eyes, mouth, lungs, pleura, pericardium, musculoskeletal system, peritoneal cavity, mesentery, kidney, liver, spleen, penis, vulva, and bladder. Nevi may also put pressure on joints, bones, or feet, which may make walking difficult or limit range of motion. The Human Phenotype Ontology provides the following list of signs and symptoms for Blue rubber bleb nevus syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormality of coagulation 90% Arteriovenous malformation 90% Bone pain 90% Cavernous hemangioma 90% Skin rash 90% Visceral angiomatosis 90% Gastrointestinal hemorrhage 50% Intestinal malrotation 50% Gastrointestinal infarctions 7.5% Microcytic anemia 7.5% Abnormality of the liver - Abnormality of the mouth - Abnormality of the respiratory system - Autosomal dominant inheritance - Cerebellar medulloblastoma - Chronic disseminated intravascular coagulation - Hemangioma - Hypermelanotic macule - Intestinal bleeding - Intussusception - Iron deficiency anemia - Pathologic fracture - Rectal prolapse - Thrombocytopenia - Volvulus - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What causes Blue rubber bleb nevus syndrome ? | What causes blue rubber bleb nevus syndrome? Currently the cause of blue rubber bleb syndrome is not known. | |
What are the treatments for Blue rubber bleb nevus syndrome ? | How might blue rubber bleb nevus syndrome be treated? Treatment of blue rubber bleb nevus syndrome varies depending on the severity and location of the affected areas. Skin spots do not usually require treatment, but some individuals with this condition may want treatment for cosmetic reasons or if the location of the nevus causes discomfort or affects normal function. Bleeding in the intestines may be treated with iron supplements and blood transfusions when necessary. Surgery to remove an affected area of bowel may be recommended for repeated or severe bleeding (hemorrhage). | |
What are the symptoms of Tukel syndrome ? | What are the signs and symptoms of Tukel syndrome? The Human Phenotype Ontology provides the following list of signs and symptoms for Tukel syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Autosomal recessive inheritance - Carpal bone aplasia - Carpal synostosis - Compensatory chin elevation - Congenital fibrosis of extraocular muscles - Nonprogressive restrictive external ophthalmoplegia - Postaxial oligodactyly - Ptosis - Restrictive external ophthalmoplegia - Syndactyly - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) HAIR-AN syndrome ? | HAIR-AN syndrome is a condition that affects women. It is characterized by hyperandrogenism, insulin resistance, and acanthosis nigricans. Insulin resistance is a condition in which the body produces insulin but does not use it properly. This causes the pancreas to produce more insulin. High levels of insulin stimulate the ovaries to make too much androgen, leading too excessive hair growth, acne, and irregular periods. Insulin resistance can also lead to diabetes, high blood pressure, heart disease, and excessive growth and darkening of the skin (aconthosis nigricans). Women with HAIR-AN may be born with insulin resistance or acquire it over time. | |
What is (are) Autoimmune atrophic gastritis ? | Autoimmune atrophic gastritis is an autoimmune disorder in which the immune system mistakenly attacks the healthy cells of the stomach lining. Overtime, this can wear away the stomach's protective barrier and interfere with the absorption of several key vitamins (i.e. vitamin B12, iron, folate). In some cases, autoimmune atrophic gastritis does not cause any obvious signs and symptoms. However, some people may experience nausea, vomiting, a feeling of fullness in the upper abdomen after eating, abdominal pain and/or vitamin deficiencies. The condition is associated with an increased risk of pernicious anemia, gastric polyps and gastric adenocarcinoma. Although the underlying genetic cause has not been identified, studies suggest that the condition may be inherited in an autosomal dominant manner in some families. Treatment is based on the signs and symptoms present in each person, but may include vitamin B12 injections and endoscopic surveillance. | |
What are the symptoms of Autoimmune atrophic gastritis ? | What are the signs and symptoms of autoimmune atrophic gastritis? In some cases, autoimmune atrophic gastritis does not cause any obvious signs and symptoms. However, some people may experience nausea, vomiting, a feeling of fullness in the upper abdomen after eating, or abdominal pain. It is often associated with impaired absorption of vitamin B12 and possibly other vitamin deficiencies (such as folate and iron). People with vitamin B12 deficiency are at risk for pernicious anemia, a condition in which the body does not have enough healthy red blood cells. Autoimmune atrophic gastritis is considered a "precancerous" condition and it may be responsible for the development of gastric adenocarcinoma or carcinoids. | |
What causes Autoimmune atrophic gastritis ? | What causes autoimmune atrophic gastritis? Autoimmune atrophic gastritis is considered an autoimmune disorder. In people who are affected by this condition, the immune system mistakenly attacks the healthy cells of the stomach lining. Overtime, this can wear away the stomach's protective barrier and interfere with the absorption of several key vitamins (i.e. vitamin B12, iron, folate). This leads to the signs and symptoms of autoimmune atrophic gastritis. | |
Is Autoimmune atrophic gastritis inherited ? | Is autoimmune atrophic gastritis inherited? In some cases, more than one family member can be affected by autoimmune atrophic gastritis. Although the underlying genetic cause has not been identified, studies suggest that the condition may be inherited in an autosomal dominant manner in these families. In autosomal dominant conditions, an affected person only needs a change (mutation) in one copy of the responsible gene in each cell. In some cases, an affected person inherits the mutation from an affected parent. Other cases may result from new (de novo) mutations in the gene. These cases occur in people with no history of the disorder in their family. A person with the condition has a 50% chance with each pregnancy of passing along the altered gene to his or her child. | |
How to diagnose Autoimmune atrophic gastritis ? | How is autoimmune atrophic gastritis diagnosed? A diagnosis of autoimmune atrophic gastritis is generally not suspected until characteristic signs and symptoms are present. Additional testing can then be ordered to confirm the diagnosis. This generally includes: A biopsy of the affected tissue obtained through endoscopy Blood work that demonstrates autoantibodies against certain cells of the stomach | |
What are the treatments for Autoimmune atrophic gastritis ? | How might autoimmune atrophic gastritis be treated? The treatment of autoimmune atrophic gastritis is generally focused on preventing and/or alleviating signs and symptoms of the condition. For example, management is focused on preventing vitamin B12, folate and iron deficiencies in the early stages of the condition. With adequate supplementation of these vitamins and minerals, anemia and other health problems may be avoided. If pernicious anemia is already present at the time of diagnosis, replacement of vitamin B12 is generally recommended via injections. In some cases, endoscopic surveillance may also be recommended due to the increased risk of certain types of cancer. While surgery may be appropriate for the treatment of related cancers, we are not aware of surgical management options or recommendations otherwise. Symptoms of gastritis in general may be managed with prescription or over-the-counter medications (besides antibiotics for H. pylori-associated gastritis) that block or reduce acid production and promote healing. Proton pump inhibitors reduce acid by blocking the action of the parts of cells that produce acid. Examples may include omeprazole, lansoprazole, rabeprazole, esomeprazole, dexlansoprazole and pantoprazole. Histamine (H-2) blockers reduce the amount of acid released into the digestive tract, which relieves gastritis pain and promotes healing. Examples include ranitidine, famotidine, cimetidine and nizatidine. Antacids that neutralize stomach acid and provide pain relief may also be used. We are not aware of dietary guidelines or recommendations for autoimmune atrophic gastritis. Much of the literature on dietary management of gastritis is specific to H. Pylori-associated gastritis. However, people with gastritis in general may find some relief by eating smaller, more-frequent meals; avoiding irritating foods; avoiding alcohol; switching pain relievers; and managing stress. | |
What is (are) Adolescent idiopathic scoliosis ? | Adolescent idiopathic scoliosis is an abnormal curvature of the spine that appears in late childhood or adolescence. Instead of growing straight, the spine develops a side-to-side curvature, usually in an elongated "s" or "C" shape, and the bones of the spine become slightly twisted or rotated. In many cases, the abnormal spinal curve is stable; however, in some children, the curve becomes more severe over time (progressive). For unknown reasons, severe and progressive curves occur more frequently in girls than in boys. The cause of adolescent idiopathic scoliosis is unknown. It is likely that there are both genetic and environmental factors involved. Treatment may include observation, bracing and/or surgery. | |
What are the symptoms of Adolescent idiopathic scoliosis ? | What are the symptoms of adolescent idiopathic scoliosis? Adolescent idiopathic scoliosis is characterized by an abnormal curvature of the spine (usually in an elongated "S" or "C" shape), along with twisted or rotated bones of the spine. Mild scoliosis generally does not cause pain, problems with movement, or difficulty breathing. It may only be diagnosed if it is noticed during a regular physical examination or a scoliosis screening at school. The most common signs of the condition include a tilt or unevenness (asymmetry) in the shoulders, hips, or waist, or having one leg that appears longer than the other. A small percentage of affected children develop more severe, pronounced spinal curvature. Scoliosis can occur as a feature of other conditions, including a variety of genetic syndromes. However, adolescent idiopathic scoliosis typically occurs by itself, without signs and symptoms affecting other parts of the body. | |
What causes Adolescent idiopathic scoliosis ? | What causes adolescent idiopathic scoliosis? The term "idiopathic" means that the cause of this condition is unknown. Adolescent idiopathic scoliosis probably results from a combination of genetic and environmental factors. Studies suggest that the abnormal spinal curvature may be related to hormonal problems, abnormal bone or muscle growth, nervous system abnormalities, or other factors that have not yet been identified. Researchers suspect that many genes are involved in adolescent idiopathic scoliosis. Some of these genes likely contribute to causing the disorder, while others play a role in determining the severity of spinal curvature and whether the curve is stable or progressive. Although many genes have been studied, few clear and consistent genetic associations with this condition have been identified. | |
Is Adolescent idiopathic scoliosis inherited ? | Is adolescent idiopathic scoliosis inherited? Adolescent idiopathic scoliosis can be sporadic, which means it occurs in people without a family history of the condition, or it can cluster in families. The inheritance pattern of adolescent idiopathic scoliosis is unclear because many genetic and environmental factors appear to be involved. We do know, however, that having a close relative (such as a parent or sibling) with the condition increases a child's risk of developing it. | |
What are the treatments for Adolescent idiopathic scoliosis ? | How might adolescent idiopathic scoliosis be treated? Treatment of adolescent idiopathic scoliosis may involve observation, bracing and/or surgery. Treatment recommendations are generally dependent upon the risk of curve progression. Curves progress most during the rapid growth period of the patient (adolescent or pre-adolescent growth spurt). The potential for growth is evaluated by taking into consideration the patient's age, the status of whether females have had their first menstrual period, and radiographic parameters (x-ray studies). Detailed information about these treatment options can be accessed through the Scoliosis Research Society. | |
What are the symptoms of Dandy-Walker malformation with postaxial polydactyly ? | What are the signs and symptoms of Dandy-Walker malformation with postaxial polydactyly? The Human Phenotype Ontology provides the following list of signs and symptoms for Dandy-Walker malformation with postaxial polydactyly. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Dandy-Walker malformation 90% Postaxial hand polydactyly 90% Agenesis of cerebellar vermis - Aortic valve stenosis - Autosomal recessive inheritance - Chorioretinal atrophy - Cranial nerve paralysis - Depressed nasal bridge - Dilated fourth ventricle - Dolichocephaly - Elevated imprint of the transverse sinuses - Frontal bossing - Hydrocephalus - Low-set ears - Macrocephaly - Microretrognathia - Nystagmus - Partial absence of cerebellar vermis - Patent ductus arteriosus - Posterior embryotoxon - Posterior fossa cyst at the fourth ventricle - Small palpebral fissure - Thinning and bulging of the posterior fossa bones - Truncal ataxia - Wide nasal bridge - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Nephrocalcinosis ? | Nephrocalcinosis is a disorder in which there is excess calcium deposited in the kidneys. It is relatively common in premature infants. Individuals may be asymptomatic or have symptoms related to the condition causing nephrocalcinosis. If kidney stones are present, an individual may have blood in the urine; fever and chills; nausea and vomiting; or severe pain in the belly area, sides of the back (flank), groin, or testicles. Later symptoms related to nephrocalcinosis may be associated with chronic kidney failure. It may be caused by use of certain medications or supplements; infection; or any condition that leads to high levels of calcium in the blood or urine including hyperparathyroidism, renal tubular acidosis, Alport syndrome, Bartter syndrome, and a variety of other conditions. Some of the underlying disorders that can cause nephrocalcinosis are genetic, with the inheritance pattern depending on the specific disorder. The goal of treatment is to reduce symptoms and prevent more calcium from being deposited in the kidneys. | |
What causes Nephrocalcinosis ? | What causes nephrocalcinosis? Nephrocalcinosis may be caused by a variety of things, including underlying disorders or conditions, medications or supplements, and infections. Causes may include: Primary hyperparathyroidism is the single most common cause of nephrocalcinosis in adults. While nephrocalcinosis is a relatively rare complication (5%), primary hyperparathryroidism is relatively common, especially in the elderly. Rarely, hyperparathyroidism can be associated with multiple endocrine neoplasia type 1 (MEN1). Distal renal tubular acidosis (RTA) is the second most common cause of medullary nephrocalcinosis. hypervitaminosis-D states resulting from excessive treatment of hypoparathyroidism, self-administration of vitamins, and the presence of a granulomatous disease, such as sarcoidosis. Any other cause of hypercalcemia (increased calcium in the blood), particularly when associated with hypercalciuria (increased calcium in the urine). Causes include milk-alkali syndrome (due to excess ingestion of antacids), hyperparathyroidism, and malignant disease. Idiopathic hypercalciuria,a common metabolic disease, is also a known cause. Nephrocalcinosis and renal failure are increasingly being recognized as common complications of phosphate supplementation, particularly in the elderly.Phosphate supplements may contribute to renal calcifications in children with hypophosphatemic rickets. Medullary sponge kidney Rapidly progressive osteoporosis due to immobilization, menopause, aging, or steroids. Primary (familial) hyperoxaluria, or secondary hyperoxaluria due to increased intake of oxalates, increased absorption due to intestinal disease, or ingestion of ethylene glycol. Chronic disorders such as Bartter syndrome, primary hyperaldosteronism, Liddle syndrome, and 11-beta hydroxylase deficiency are associated with reduced urine citrate and tubular damage, leading to calcium deposits. Autosomal dominant hypophosphatemic rickets and X-linked hypophosphatemic conditions, possibly due to phosphate supplementation for the condition. Premature, sick infants have been observed to develop diffuse nephrocalcinosis, typically when exposed to diuretic therapy or prolonged O 2 therapy. Other causes may include the use of certain medications such as acetazolamide; tuberculosis of the kidney; and infections related to AIDS | |
Is Nephrocalcinosis inherited ? | Is nephrocalcinosis inherited? Nephrocalcinosis may be caused by a large variety of things, including underlying disorders, certain medications and supplements, and infections. Nephrocalcinosis itself is not inherited. However, the underlying condition that is causing nephrocalcinosis in an individual may be inherited. Some inherited conditions that may be associated with nephrocalcinosis in affected individuals are: Multiple endocrine neoplasia type 1 (MEN1) Familial distal renal tubular acidosis Chronic granulomatous disease Primary hyperoxaluria Bartter syndrome primary hyperaldosteronism Liddle syndrome 11-beta hydroxylase deficiency, a form of congenital adrenal hyperplasia (CAH) Autosomal dominant hypophosphatemic rickets and X-linked hypophosphatemic conditions | |
What are the treatments for Nephrocalcinosis ? | How might nephrocalcinosis be treated? Treatment of nephrocalcinosis includes treating the underlying condition causing nephrocalcinosis, if it is known. The goal of treatment is to reduce symptoms and prevent more calcium from being deposited in the kidneys. Measures are usually taken to reduce abnormal levels of calcium, phosphate, and oxalate in the blood. Medications that cause calcium loss are typically stopped. Treatment of hypercalcemia (increased calcium levels in the blood) and hypercalcemic nephropathy typically includes adequate hydration by isotonic sodium chloride (normal saline) solution to reverse hypercalcemia and protect the kidneys. Treatment of macroscopic nephrocalcinosis (calcium deposition that is visible without magnification) may include thiazide diuretics and dietary salt restriction; potassium and magnesium supplementation; and citrate supplementation in idiopathic hypercalciuria (of unknown cause) and in distal renal tubular acidosis. Lessening of nephrocalcinosis may occur over time, but in many cases, such as when it results from primary hyperoxaluria or distal renal tubular acidosis, nephrocalcinosis is largely irreversible. Therefore, early detection and treatment are important. Individuals interested in learning about treatment options for themselves should speak with their health care provider or a nephrologist. | |
What is (are) Von Hippel-Lindau disease ? | Von Hippel-Lindau (VHL) disease is an inherited disorder characterized by the abnormal growth of both benign and cancerous tumors and cysts in many parts of the body. Tumors usually first appear in young adulthood. The types of tumors associated with VHL disease include hemangioblastomas (slow-growing tumors of the central nervous system); kidney cysts and clear cell renal cell carcinoma; pancreatic neuroendocrine tumors; pheochromocytomas (noncancerous tumors of the adrenal glands); and endolymphatic sac tumors. VHL disease is caused by a mutation in the VHL gene and is inherited in an autosomal dominant manner. Early detection and treatment of VHL disease is important, and usually involves surgical removal of tumors. | |
What are the symptoms of Von Hippel-Lindau disease ? | What are the signs and symptoms of Von Hippel-Lindau disease? Symptoms of Von Hippel-Lindau (VHL) disease vary among patients and depend on the size and location of the tumors. Hemangioblastomas that develop in the brain and spinal cord can cause headaches, vomiting, weakness, and a loss of muscle coordination (ataxia). Hemangioblastomas can also occur in the light-sensitive tissue that lines the back of the eye (the retina). These tumors, which are also called retinal angiomas, may cause vision loss. Pheochromocytomas affect the adrenal glands, which are small hormone-producing glands located on top of each kidney. These tumors often cause no symptoms, but in some cases they can produce an excess of hormones that cause dangerously high blood pressure. About 10 percent of people with VHL disease develop endolymphatic sac tumors, which are noncancerous tumors in the inner ear. These growths can cause hearing loss in one or both ears, as well as ringing in the ears (tinnitus) and problems with balance. Individuals with VHL disease are also at a higher risk than normal for certain types of cancer, especially kidney cancer. Renal cell carcinoma occurs in about 70% of individuals with VHL disease by age 60 and is the leading cause of mortality. The Human Phenotype Ontology provides the following list of signs and symptoms for Von Hippel-Lindau disease. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormality of the cerebral vasculature 90% Abnormality of the retinal vasculature 90% Aplasia/Hypoplasia of the cerebellum 90% Arteriovenous malformation 90% Neurological speech impairment 90% Nystagmus 90% Pancreatic cysts 90% Renal neoplasm 90% Sensorineural hearing impairment 90% Visceral angiomatosis 90% Gait disturbance 50% Hemiplegia/hemiparesis 50% Hydrocephalus 50% Incoordination 50% Migraine 50% Multicystic kidney dysplasia 50% Nausea and vomiting 50% Telangiectasia of the skin 50% Visual impairment 50% Abnormality of the lymphatic system 7.5% Abnormality of the macula 7.5% Arrhythmia 7.5% Cataract 7.5% Glaucoma 7.5% Hyperhidrosis 7.5% Hypertensive crisis 7.5% Increased intracranial pressure 7.5% Neoplasm of the middle ear 7.5% Neuroendocrine neoplasm 7.5% Polycystic kidney dysplasia 7.5% Retinal detachment 7.5% Abnormality of the liver - Autosomal dominant inheritance - Cerebellar hemangioblastoma - Epididymal cyst - Hypertension - Multiple renal cysts - Neoplasm of the pancreas - Papillary cystadenoma of the epididymis - Paraganglioma - Phenotypic variability - Pheochromocytoma - Polycythemia - Pulmonary capillary hemangiomatosis - Renal cell carcinoma - Retinal capillary hemangioma - Spinal hemangioblastoma - Tinnitus - Vertigo - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What causes Von Hippel-Lindau disease ? | What causes Von Hippel-Lindau disease? Von Hippel-Lindau (VHL) disease is caused by a mutation in the VHL gene. This gene is a tumor suppressor gene, which helps to control cell growth. Mutations in the VHL gene lead to a lack of regulation of cell growth and survival, allowing cells to grow and divide uncontrollably, forming the tumors that are associated with VHL disease. | |
Is Von Hippel-Lindau disease inherited ? | How is von Hippel-Lindau (VHL) disease inherited? Mutations in the gene that causes VHL disease (the VHL gene) are inherited in an autosomal dominant manner. This means that having a mutation in only one copy of the VHL gene in each cell is enough to increase a person's risk of developing VHL disease. In most autosomal dominant conditions, having one mutated copy of the responsible gene is sufficient to cause the condition. However, in VHL disease, a mutation in the other copy of the gene must occur (during a person's lifetime) to trigger the development of VHL disease. For example, a person may inherit a mutated copy of the gene from a parent, but acquiring a second mutation in the other gene copy in a specific organ may trigger tumor development in that organ. Almost everyone who is born with one VHL mutation will eventually acquire a mutation in the second copy of the gene and develop VHL disease. In most cases, an affected person inherits the first mutated gene from an affected parent. However, in about 20% of cases, the mutation occurs for the first time in a person with no family history of the condition. This is called a de novo mutation. When a person with a mutation that can lead to VHL disease has children, each of their children has a 50% (1 in 2) chance to inherit that mutation. | |
How to diagnose Von Hippel-Lindau disease ? | How is von Hippel-Lindau (VHL) disease diagnosed? The diagnosis of von Hippel-Lindau (VHL) disease can be made based on specific clinical criteria (signs and symptoms), or when molecular genetic testing reveals a mutation in the VHL gene. Tests that may be used to establish a clinical diagnosis include: MRI of the brain and spinal cord fundoscopy ultrasound examination or MRI of the abdomen blood and urinary catecholamine metabolites. | |
What are the treatments for Von Hippel-Lindau disease ? | How might von Hippel-Lindau (VHL) disease be treated? Treatment for Von Hippel-Lindau (VHL) disease depends on the location and size of tumors. In general, the goal is to treat growths when they cause symptoms, but are still small so they don't cause permanent damage. Treatment usually involves surgical removal of tumors. Radiation therapy may be used in some cases. All people with VHL disease should be carefully followed by a physician or medical team familiar with the disorder. | |
What is (are) C1q deficiency ? | C1q deficiency is a rare disorder associated with recurrent skin lesions, chronic infections, systemic lupus erythematosus (SLE) or SLE-like diseases. It has also been associated with a kidney disease known as mesangial proliferative glomerulonephritis. C1q is a protein and together with other proteins, C1r and C1s, it forms the C1 complex. This complex is important for the activation of the complement system (a group of proteins that work with the immune system). It also disposes cells that are dead. C1q deficiency presents in 2 different forms, absent C1q protein or abnormal C1q protein. Symptoms include infections (ear infections (otitis media), meningitis, urinary tract infections, oral infections); skin lesions (small blisters (vesicles), dark patches, and atrophic areas) that get worse upon light exposure; cataracts; loss of eyelashes, eyebrows, and scalp hair; blood in urine; and glomerulonephritis. About 93% of cases are associated with systemic lupus erythematosus. It can be caused by mutations in the C1QA, C1QB or C1QC genes and is inherited in an autosomal recessive pattern. Treatment depends on the symptoms. Recently, it was shown that C1q production can be restored by allogeneic hematopoietic stem cell transplantation, a procedure in which a person receives blood-forming stem cells (cells from which all blood cells develop) from a genetically similar, but not identical donor. | |
What are the symptoms of C1q deficiency ? | What are the signs and symptoms of C1q deficiency? The Human Phenotype Ontology provides the following list of signs and symptoms for C1q deficiency. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Membranoproliferative glomerulonephritis 7.5% Systemic lupus erythematosus 7.5% Autosomal recessive inheritance - Decreased serum complement factor I - Recurrent infections - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Non-involuting congenital hemangioma ? | Non-involuting congenital hemangioma (NICH) is a rare type of infantile hemangioma, which is a tumor that forms from the abnormal growth of blood vessels in the skin. NICH looks like an oval, purplish mark or bump that can occur on any part of the body. NICH is present from birth (congenital) and increases in size as the child grows. Unlike other hemangiomas, NICH do not disappear spontaneously (involute). | |
How to diagnose Non-involuting congenital hemangioma ? | How is non-involuting congenital hemangioma diagnosed? Non-involuting congenital hemangioma (NICH) is diagnosed by taking a biopsy of the skin mark and examining the tissue under a microscope. NICH looks different under the microscope than most infantile hemangiomas because the blood vessels are arranged more irregularly. Also, the cells in an NICH do not have glucose receptors, whereas the cells of almost all hemangiomas do have glucose receptors. Finally, NICH is different from more common types of hemangiomas because NICH does not spontaneously disappear (involute). Instead, NICH remains stable over time. | |
What are the treatments for Non-involuting congenital hemangioma ? | How might non-involuting congenital hemangioma treated? Because non-involuting congenital hemangioma (NICH) is quite rare, there are no established guidelines for the treatment of this condition. However, the authors of one article on NICH suggest that there is no risk for excessive bleeding during the removal of an NICH and it is unlikely to regrow after surgery. Because NICH is a benign skin mark, surgery isn't necessary but can be considered to improve appearance of the skin. | |
What are the symptoms of Fetal akinesia syndrome X-linked ? | What are the signs and symptoms of Fetal akinesia syndrome X-linked? The Human Phenotype Ontology provides the following list of signs and symptoms for Fetal akinesia syndrome X-linked. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Agenesis of corpus callosum - Arrhinencephaly - Blepharophimosis - Fetal akinesia sequence - Hypokinesia - Polyhydramnios - Stillbirth - Telecanthus - X-linked inheritance - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Factor V Leiden thrombophilia ? | Factor V Leiden thrombophilia is an inherited disorder that results in an increased risk of developing abnormal blood clots. Factor V Leiden is the name of a specific gene mutation in the F5 gene. This gene plays a critical role in the normal formation of blood clots in response to an injury. People can inherit one or two copies of the factor V Leiden gene mutation. Those who inherit one copy are called heterozygotes. People who inherit two copies of the mutation, one from each parent, are called homozygotes. Having the factor V Leiden mutation increases your risk for developing a clot in your legs called a deep venous thrombosis (DVT). It also increases your risk of developing a clot that travels through the bloodstream and lodges in the lungs, called a pulmonary embolism (PE). | |
What are the symptoms of Factor V Leiden thrombophilia ? | What are the signs and symptoms of factor V Leiden thrombophilia? Individuals affected by factor V Leiden thrombophilia have an increased risk of developing blood clots. The severity of factor V Leiden thrombophilia is extremely variable. Many individuals with the factor V Leiden allele never develop a blood clot. Although most individuals with factor V thrombophilia do not experience their first thrombotic event until adulthood, some have recurrent thromboembolism before age 30 years. The chance a person will develop a blood clot is affected by the number of factor V Leiden mutations, the presence of coexisting genetic abnormalities, and non-genetic risk factors. Non-genetic risk factors include surgery, long periods of not moving (like sitting on a long airplane ride), birth control pills and other female hormones, childbirth within the last 6 months, and traumas or fractures. Individuals who inherit one copy of the factor V Leiden mutation have a fourfold to eightfold increase in the chance of developing a clot. Homozygotes (people who inherit two factor V Leiden mutations) may have up to 80 times the usual risk of developing a blood clot. Considering that the risk of developing an abnormal blood clot averages about 1 in 1,000 per year in the general population, the presence of one copy of the factor V Leiden mutation increases that risk to 4 to 8 in 1,000, and having two copies of the mutation may raise the risk as high as 80 in 1,000. People with factor V Leiden have an increased chance of having a blood clot that forms in large veins in the legs (deep venous thrombosis, or DVT) or a clot that travels through the bloodstream and lodges in the lungs (pulmonary embolism, or PE). Symptoms of deep vein thrombosis usually include leg pain, tenderness, swelling, increased warmth or redness in one leg. The symptoms of pulmonary embolism usually include cough, chest pain, shortness of breath or rapid heartbeat or breathing. To learn more about the symptoms of DVT and PE, click here. | |
What causes Factor V Leiden thrombophilia ? | What causes factor V Leiden thrombophilia? Factor V Leiden thrombophilia is caused by a specific mutation in the Factor V gene. Factor V plays a critical role in the formation of blood clots in response to injury. Genes are our bodys instructions for making proteins. The factor V gene instructs the body how to make a protein called coagulation factor V. Coagulation factor V is involved in a series of chemical reactions that hold blood clots together. A molecule called activated protein C (APC) prevents blood clots from growing too large by inactivating factor V. | |
Is Factor V Leiden thrombophilia inherited ? | How is factor V Leiden inherited? Factor V Leiden is a genetic condition and can be inherited from a parent. It is important to understand that each person inherits two copies of every gene, one from their mother and the other copy from their father. Individuals who inherit one copy of the factor V Leiden mutation from a parent are called heterozygotes. Heterozygotes have a 50% chance with each pregnancy of passing the mutated gene to their offspring (and therefore they also have a 50% chance of having a child who does not inherit the gene mutation). People who inherit two copies of the mutation, one from each parent, are called homozygotes. Homozygotes will always pass one copy of the mutated gene to their offspring. If both parents are heterozygotes (carry one factor V Leiden mutation) than they would have a 25% chance of having a child with two factor V Leiden mutations, a 25% chance of having a child with no mutations, and a 50% chance of having a child with one mutation. | |
How to diagnose Factor V Leiden thrombophilia ? | How is factor V Leiden thrombophilia diagnosed? No clinical features (signs and/or symptoms) are specific for factor V Leiden thrombophilia. The diagnosis of factor V Leiden thrombophilia requires a coagulation screening test or DNA analysis of F5, the gene for factor V, to identify the specific mutation that causes this condition. The APC (activated protein C) resistance assay, a coagulation screening test, measures the anticoagulant response to APC. This screening test has a sensitivity and specificity for factor V Leiden approaching 100%. The sensitivity of a test is a measure of the test's ability to detect a positive result when someone has the condition, while the specificity is a measure of the test's ability to identify negative results.Targeted mutation analysis (a type of DNA test) of the F5 gene for the Leiden mutation is considered definitive and has a mutation detection frequency of approximately 100%. This means that approximately all individuals who have the factor V Leiden mutation will be detected by this genetic test. It is generally recommended that individuals who test positive by another means should then have the DNA test both for confirmation and to distinguish heterozygotes (individuals with a mutation in one copy of the gene) from homozygotes (individuals with mutations in both copies of the gene). | |
What are the treatments for Factor V Leiden thrombophilia ? | How might factor V Leiden be treated? The management of individuals with factor V Leiden depends on the clinical circumstances. People with factor V Leiden who have had a deep venous thrombosis (DVT) or pulmonary embolism (PE) are usually treated with blood thinners, or anticoagulants. Anticoagulants such as heparin and warfarin are given for varying amounts of time depending on the person's situation. It is not usually recommended that people with factor V Leiden be treated lifelong with anticoagulants if they have had only one DVT or PE, unless there are additional risk factors present. Having had a DVT or PE in the past increases a person's risk for developing another one in the future, but having factor V Leiden does not seem to add to the risk of having a second clot. In general, individuals who have factor V Leiden but have never had a blood clot are not routinely treated with an anticoagulant. Rather, these individuals are counseled about reducing or eliminating other factors that may add to one's risk of developing a clot in the future. In addition, these individuals may require temporary treatment with an anticoagulant during periods of particularly high risk, such as major surgery. Factor V Leiden increases the risk of developing a DVT during pregnancy by about seven-fold. Women with factor V Leiden who are planning pregnancy should discuss this with their obstetrician and/or hematologist. Most women with factor V Leiden have normal pregnancies and only require close follow-up during pregnancy. For those with a history of DVT or PE, treatment with an anticoagulant during a subsequent pregnancy can prevent recurrent problems. | |
What are the symptoms of Cortisone reductase deficiency ? | What are the signs and symptoms of Cortisone reductase deficiency? The Human Phenotype Ontology provides the following list of signs and symptoms for Cortisone reductase deficiency. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Acne - Autosomal recessive inheritance - Hirsutism - Infertility - Obesity - Oligomenorrhea - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Malignant eccrine spiradenoma ? | Malignant eccrine spiradenoma is a type of tumor that develops from a sweat gland in the skin. It starts as a rapidly-growing bump on the head or abdomen, and may cause tenderness, redness, or an open wound. The exact cause of malignant eccrine spiradenoma is unknown, though it is thought that sun exposure or problems with the immune system (immunosuppression) may contribute to the development of this tumor. Because malignant eccrine spiradenoma is quite rare, there are no established treatment guidelines; however, in practice, surgery is often performed to remove the tumor and additional treatments may follow, depending on the severity and extent of the cancer. | |
What are the treatments for Malignant eccrine spiradenoma ? | How might malignant eccrine spiradenoma be treated? Surgery to remove as much of the tumor as possible is usually the first step of treatment for malignant eccrine spiradenoma. Both a traditional surgical technique known as wide local excision and the newer Mohs micrographic surgery are thought to be effective for treating this cancer. Additional treatment may include radiation therapy to destroy any cancer cells that might remain after surgery. Though chemotherapy has been used in cases of malignant eccrine spiradenoma, it is thought to be of limited help in treating this disease. | |
What are the symptoms of Accessory deep peroneal nerve ? | What are the signs and symptoms of Accessory deep peroneal nerve? The Human Phenotype Ontology provides the following list of signs and symptoms for Accessory deep peroneal nerve. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormality of the nervous system - Autosomal dominant inheritance - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What are the symptoms of Rhizomelic dysplasia, scoliosis, and retinitis pigmentosa ? | What are the signs and symptoms of Rhizomelic dysplasia, scoliosis, and retinitis pigmentosa? The Human Phenotype Ontology provides the following list of signs and symptoms for Rhizomelic dysplasia, scoliosis, and retinitis pigmentosa. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Amelogenesis imperfecta - Autosomal recessive inheritance - Biconcave vertebral bodies - Broad ribs - Photophobia - Prominent deltoid tuberosities - Reduced visual acuity - Rhizomelia - Rod-cone dystrophy - Scoliosis - Short clavicles - Short femoral neck - Short humerus - Short neck - Short ribs - Strabismus - Visual impairment - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Osteogenesis imperfecta type I ? | Osteogenesis imperfecta (OI) is a group of genetic disorders that mainly affect the bones. Osteogenesis imperfecta type 1 is the mildest form of OI and is characterized by bone fractures during childhood and adolescence that often result from minor trauma. Fractures occur less frequently in adulthood. People with mild forms of the condition typically have a blue or grey tint to the part of the eye that is usually white (the sclera), and may develop hearing loss in adulthood. Affected individuals are usually of normal or near normal height. Most of the mutations that cause osteogenesis imperfecta type 1 occur in the COL1A1 gene. These genetic changes reduce the amount of type I collagen produced in the body, which causes bones to be brittle and to fracture easily. OI type 1 exhibits an autosomal dominant pattern of inheritance. | |
What are the symptoms of Osteogenesis imperfecta type I ? | What are the signs and symptoms of Osteogenesis imperfecta type I? The Human Phenotype Ontology provides the following list of signs and symptoms for Osteogenesis imperfecta type I. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Dentinogenesis imperfecta 5% Aortic dilatation - Autosomal dominant inheritance - Biconcave flattened vertebrae - Blue sclerae - Bruising susceptibility - Femoral bowing - Growth abnormality - Hearing impairment - Increased susceptibility to fractures - Joint hypermobility - Mitral valve prolapse - Osteopenia - Otosclerosis - Recurrent fractures - Thin skin - Wormian bones - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Congenital pulmonary alveolar proteinosis ? | Congenital pulmonary alveolar proteinosis is a rare form of respiratory failure that is present from birth. In this condition, a type of protein builds up in the air sacs (alveoli) of the lungs, making breathing difficult. Congenital pulmonary alveolar proteinosis is caused by mutations in the SFTPB, SFTPC, ABCA3, or CSF2RA gene, and it is typically inherited in an autosomal recessive pattern. | |
What are the symptoms of Congenital pulmonary alveolar proteinosis ? | What are the signs and symptoms of Congenital pulmonary alveolar proteinosis? The Human Phenotype Ontology provides the following list of signs and symptoms for Congenital pulmonary alveolar proteinosis. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormality of metabolism/homeostasis - Alveolar proteinosis - Apnea - Autosomal recessive inheritance - Clubbing - Cyanosis - Desquamative interstitial pneumonitis - Dyspnea - Failure to thrive - Heterogeneous - Interstitial pulmonary disease - Pulmonary hypertension - Rapidly progressive - Respiratory distress - Respiratory failure - Tachypnea - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Neutral lipid storage disease with myopathy ? | Neutral lipid storage disease with myopathy is a condition in which fats (lipids) are stored abnormally in organs and tissues throughout the body. The accumulation of fats in muscle tissue leads to muscle weakness (myopathy). This condition is caused by mutations in the PNPLA2 gene. It is inherited in an autosomal recessive pattern. There is currently no treatment to correct the underlying metabolic problem. | |
What are the symptoms of Neutral lipid storage disease with myopathy ? | What are the signs and symptoms of Neutral lipid storage disease with myopathy? The Human Phenotype Ontology provides the following list of signs and symptoms for Neutral lipid storage disease with myopathy. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Areflexia 5% Cardiomyopathy 5% Diabetes mellitus 5% Hypertriglyceridemia 5% Neck muscle weakness 5% Sensorineural hearing impairment 5% Short stature 5% Adult onset - Autosomal recessive inheritance - Difficulty running - Difficulty walking - Easy fatigability - Elevated hepatic transaminases - Elevated serum creatine phosphokinase - Exercise intolerance - Fasciculations - Gowers sign - Hepatic steatosis - Hepatomegaly - Increased muscle lipid content - Muscular hypotonia - Myalgia - Myopathy - Proximal muscle weakness - Slow progression - Variable expressivity - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What causes Neutral lipid storage disease with myopathy ? | What causes neutral lipid storage disease with myopathy? Neutral lipid storage disease with myopathy is caused by mutations in the PNPLA2 gene. This gene provides instructions for making an enzyme called adipose triglyceride lipase (ATGL). The ATGL enzyme plays a role in breaking down fats called triglycerides. Triglycerides are an important source of stored energy in cells. These fats must be broken down into simpler molecules called fatty acids before they can be used for energy. PNPLA2 gene mutations impair the ATGL enzyme's ability to break down triglycerides, allowing them to accumulate in muscle and tissues throughout the body. This results in the signs and symptoms seen in people with neutral lipid storage disease with myopathy. | |
Is Neutral lipid storage disease with myopathy inherited ? | How is neutral lipid storage disease with myopathy inherited? This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition. | |
What are the treatments for Neutral lipid storage disease with myopathy ? | How might neutral lipid storage disease with myopathy be treated? To date, there is no treatment for the underlying metabolic problem. Current therapies include adhering to strict dietary guidelines and utilizing treatments focused on the associated symptoms. A recent study suggests that people with this condition may benefit from bezafibrate (a medication used to treat high cholesterol) treatment, particularly with respect to lipid accumulation and fat oxidative capacity. Additional studies into this therapy are needed. | |
What is (are) Acquired hemophilia A ? | Acquired hemophilia A is a bleeding disorder that interferes with the body's blood clotting process. Although the condition can affect people of all ages, it generally occurs in older people (the median age of diagnosis is between 60 and 67 years). Signs and symptoms include prolonged bleeding, frequent nosebleeds, bruising throughout the body, solid swellings of congealed blood (hematomas), hematuria, and gastrointestinal or urologic bleeding. Acquired hemophilia A occurs when the body's immune system attacks and disables a certain protein that helps the blood clot (called coagulation factor VIII). About half of the cases are associated with other conditions, such as pregnancy, autoimmune disease, cancer, skin diseases, or allergic reactions to medications. Treatment is aimed at controlling bleeding episodes and addressing the underlying cause of the condition. | |
What are the symptoms of Coenzyme Q10 deficiency ? | What are the signs and symptoms of Coenzyme Q10 deficiency? The Human Phenotype Ontology provides the following list of signs and symptoms for Coenzyme Q10 deficiency. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Anemia - Ataxia - Autosomal recessive inheritance - Cerebellar atrophy - Dysarthria - Elevated serum creatine phosphokinase - Encephalopathy - Glomerulosclerosis - Hepatic failure - Hypergonadotropic hypogonadism - Hypertrophic cardiomyopathy - Intellectual disability - Lactic acidosis - Motor delay - Nephrotic syndrome - Nystagmus - Onset - Pancytopenia - Phenotypic variability - Postural instability - Progressive muscle weakness - Ragged-red muscle fibers - Recurrent myoglobinuria - Rod-cone dystrophy - Scanning speech - Seizures - Sensorineural hearing impairment - Specific learning disability - Visual loss - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. | |
What is (are) Anophthalmia plus syndrome ? | Anophthalmia plus syndrome (APS) is a very rare syndrome that involves malformations in multiple organs of the body. The most common findings in affected individuals are anophthalmia (absence of one or both eyes) or severe microphthalmia (abnormally small eyes), and cleft lip and/or cleft palate. Other findings may include wide-set eyes (hypertelorism); low-set ears; narrowed or blocked nasal passages (choanal stenosis or atresia); sacral neural tube defect, midline abdominal wall defects, clinodactyly, eye colobomas and congenital glaucoma. It has been suggested that APS is inherited in an autosomal recessive manner, although the genetic cause has not yet been identified. | |
What are the symptoms of Anophthalmia plus syndrome ? | What are the signs and symptoms of Anophthalmia plus syndrome? Anophthalmia plus syndrome (APS) may involve malformations in multiple organs of the body including the eyes, ears, nose, face, mouth, brain, sacral vertebrae, meninges (tissue that lines the outer part of the brain and spinal cord), abdominal wall, heart, digits (fingers and toes), and endocrine system. Based on the few cases reported in the literature, it appears that all affected individuals have had anophthalmia (absence of one or both eyes) and/or microphthalmia (abnormally small eyes). It has also been estimated that approximately 89% of affected individuals have had an oral-facial cleft (such as cleft lip and/or cleft palate). Other specific findings that have been reported in more than one affected individual include wide-set eyes (hypertelorism), low-set ears, choanal stenosis or atresia (narrowing or blockage of the nasal passages), sacral neural tube defect, midline abdominal wall defects, clinodactyly (abnormally bent or curved finger), eye colobomas, and congenital glaucoma. There have been other, additional abnormalities that have only been reported in single individuals. The Human Phenotype Ontology provides the following list of signs and symptoms for Anophthalmia plus syndrome. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Aplasia/Hypoplasia affecting the eye 90% Choanal atresia 50% Cleft palate 50% Facial cleft 50% Hypertelorism 50% Low-set, posteriorly rotated ears 50% Non-midline cleft lip 50% Aplasia/Hypoplasia of the earlobes 7.5% Aplasia/Hypoplasia of the sacrum 7.5% Blepharophimosis 7.5% Cleft eyelid 7.5% Deviation of finger 7.5% Iris coloboma 7.5% Spina bifida 7.5% Vertebral segmentation defect 7.5% Abnormality of the genitourinary system - Abnormality of the vertebral column - Anophthalmia - Autosomal recessive inheritance - Bilateral cleft lip and palate - Macrotia - Microphthalmia - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common. |
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