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(四)胸腺切除胸腺切除仍然是MG的基本疗法。
[ { "id": 0, "entity": "胸腺切除", "start_offset": 3, "end_offset": 7, "label": "pro" }, { "id": 1, "entity": "胸腺切除", "start_offset": 7, "end_offset": 11, "label": "pro" }, { "id": 2, "entity": "MG", "start_offset": 14, "end_offset": 16, "label": "dis" } ]
适用于:①全身型MG,药物疗效不佳,宜尽早手术。
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发病3~5年内中年女性患者手术疗效甚佳。
[ { "id": 0, "entity": "手术", "start_offset": 13, "end_offset": 15, "label": "pro" } ]
②伴有胸腺瘤的各型MG患者,疗效虽较差,应尽可能手术切除病灶。
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③儿童眼肌型患者,手术虽有效,是否值得手术仍有争议。
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手术后继续用泼尼松1年。
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(五)血浆交换及血浆净化治疗能迅速清除血浆中AChRab及免疫复合物等,用于抢救危象。
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(六)丙种球蛋白用大剂量丙种球蛋,0.4g/(kg•d),静脉滴注,连用5天。
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治疗病情严重全身型MG患者,迅速扭转危象,或用于手术前准备,安全有效。
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(七)危象的处理儿科病例危象发生率2.2%,病死率0.8%。
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一旦发生危象,呼吸肌瘫痪气管插管或气管切开,应用人工呼吸器辅助呼吸,同时明确何种危象,进行对症处理。
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在危象处理过程中保持气道护理的无菌操作、雾化吸入、保持呼吸道通畅、防止肺部感染及肺不张等并发症是抢救成功的关键。
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【预后】本病的预后,一些病例在发病后数月或数年后自行缓解;一些儿童期病例可持续到成人时期;眼肌型在青春前发病者预后较青春后发病者好;少数儿童病例病程迁延,其间可缓解、复发或恶化;多数病例经免疫抑制剂、胸腺切除及胸腺放疗等治疗可能得以治愈。
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第八节流行性腮腺炎流行性腮腺炎(mumps,epidemicparotitis)是由腮腺炎病毒引起的急性呼吸道传染病。
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病毒对腺体和神经组织具有亲和力。
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【病原和流行病学】腮腺炎病毒(mumpsvirus)属副黏病毒。
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病毒只有一个血清型,有6种主要结构蛋白。
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M蛋白在病毒包装中起决定作用。
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病毒体外可在许多原代细胞和细胞系内增殖。
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紫外线、甲醛、乙醚、56℃20分钟均可被灭活。
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4℃存活数天,加病毒保护剂-70℃可长期保存。
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在腮腺肿大前6天到后9天,均可自患者唾液中检出病毒。
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病毒经呼吸道途径传播。
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如有再次患腮腺炎者可能系免疫缺陷患者或为其他病毒感染所致。
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婴儿因有母体被动抗体保护(维持9个月)而很少发病。
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孕妇患病可将病毒经胎盘感染胎儿。
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据估计,在应用疫苗前,妊娠期腮腺炎发病率为0.8/万~10/万。
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【发病机制和病理改变】病毒侵入后先在上呼吸道黏膜上皮细胞内增殖,再播散至引流淋巴结,随后发生病毒血症,病毒随血流传播至腺样组织或其他部位。
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唾液腺感染最为突出,其他包括内耳、胰腺、心脏、神经系统(脑膜和脑)、关节、肾、肝、性腺和甲状腺。
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在唾液腺,病毒感染小管上皮细胞,引起腺管周围间质水肿和局部炎症反应。
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淋巴细胞、巨噬细胞浸润和受累细胞脱落使管腔阻塞。
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病毒经感染单核细胞通过脉络丛侵入中枢神经系统,在脉络丛和室管膜细胞内增殖,感染细胞脱落进入脑脊液,进而引起脑膜炎。
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脑炎时,脑室周围单核细胞浸润,散在噬神经细胞病灶和小神经胶质细胞增生,并见脑室周围脱髓鞘病变。
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睾丸炎时,病毒在细精管增殖,引起组织间质水肿和淋巴细胞浸润。
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胰腺受累时,胰导管上皮细胞肿胀,坏死脱落,与炎性渗出物等阻塞管腔,致胰液潴留,大量淀粉酶反流入血。
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【临床表现】潜伏期为12~25天,一般为16~18天,约30%~40%患者为隐性感染。
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临床上以腮腺炎最为常见,其他表现可在腮腺炎前、同时或后发生,也可发生在无腮腺炎时。
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在5岁以下,可能仅引起上呼吸道感染,而无腮腺炎。
[ { "id": 0, "entity": "上呼吸道感染", "start_offset": 11, "end_offset": 17, "label": "dis" }, { "id": 1, "entity": "腮腺炎", "start_offset": 20, "end_offset": 23, "label": "dis" } ]
(一)腮腺炎典型病例先有发热、头痛、厌食和不适。
[ { "id": 0, "entity": "腮腺炎", "start_offset": 3, "end_offset": 6, "label": "dis" }, { "id": 1, "entity": "发热", "start_offset": 12, "end_offset": 14, "label": "sym" }, { "id": 2, "entity": "头痛", "start_offset": 15, "end_offset": 17, "label": "sym" }, { "id": 3, "entity": "厌食", "start_offset": 18, "end_offset": 20, "label": "sym" } ]
在24小时内,患者诉有“耳痛”,咀嚼时加剧。
[ { "id": 0, "entity": "耳痛", "start_offset": 12, "end_offset": 14, "label": "sym" } ]
次日腮腺逐渐肿大,于1~3天内达高峰。
[ { "id": 0, "entity": "腮腺", "start_offset": 2, "end_offset": 4, "label": "bod" }, { "id": 1, "entity": "腮腺逐渐肿大", "start_offset": 2, "end_offset": 8, "label": "sym" } ]
腮腺以耳垂为中心呈马鞍形肿大,触之有轻度压痛,腮腺急骤肿胀时疼痛比较严重,持续4~5天后逐渐缩小,整个过程为6~10天。
[ { "id": 0, "entity": "腮腺", "start_offset": 0, "end_offset": 2, "label": "bod" }, { "id": 1, "entity": "耳垂", "start_offset": 3, "end_offset": 5, "label": "bod" }, { "id": 2, "entity": "腮腺以耳垂为中心呈马鞍形肿大,触之有轻度压痛", "start_offset": 0, "end_offset": 22, "label": "sym" }, { "id": 3, "entity": "腮腺", "start_offset": 23, "end_offset": 25, "label": "bod" }, { "id": 4, "entity": "腮腺急骤肿胀", "start_offset": 23, "end_offset": 29, "label": "sym" } ]
通常一侧腮腺先肿大,数日内对侧肿大,约25%患者只有单侧肿大。
[ { "id": 0, "entity": "腮腺", "start_offset": 4, "end_offset": 6, "label": "bod" }, { "id": 1, "entity": "一侧腮腺先肿大,数日内对侧肿大", "start_offset": 2, "end_offset": 17, "label": "sym" } ]
其他唾液腺如颌下腺或舌下腺可同时肿大,或单独肿大。
[ { "id": 0, "entity": "唾液腺", "start_offset": 2, "end_offset": 5, "label": "bod" }, { "id": 1, "entity": "颌下腺", "start_offset": 6, "end_offset": 9, "label": "bod" }, { "id": 2, "entity": "舌下腺", "start_offset": 10, "end_offset": 13, "label": "bod" }, { "id": 3, "entity": "肿大", "start_offset": 16, "end_offset": 18, "label": "sym" }, { "id": 4, "entity": "肿大", "start_offset": 22, "end_offset": 24, "label": "sym" } ]
(二)脑膜脑炎较常见。
[ { "id": 0, "entity": "脑膜脑炎", "start_offset": 3, "end_offset": 7, "label": "dis" } ]
常发生在腮腺炎后3~10天,也可在腮腺受累前。
[ { "id": 0, "entity": "腮腺炎", "start_offset": 4, "end_offset": 7, "label": "dis" }, { "id": 1, "entity": "腮腺", "start_offset": 17, "end_offset": 19, "label": "bod" } ]
脑脊液呈无菌性脑膜炎改变。
[ { "id": 0, "entity": "脑脊液", "start_offset": 0, "end_offset": 3, "label": "bod" }, { "id": 1, "entity": "无菌性脑膜炎", "start_offset": 4, "end_offset": 10, "label": "dis" }, { "id": 2, "entity": "脑脊液呈无菌性脑膜炎改变", "start_offset": 0, "end_offset": 12, "label": "sym" } ]
(三)睾丸炎、附睾炎10岁后男性患者约有20%~35%发生,多为单侧。
[ { "id": 0, "entity": "睾丸炎", "start_offset": 3, "end_offset": 6, "label": "dis" }, { "id": 1, "entity": "附睾炎", "start_offset": 7, "end_offset": 10, "label": "dis" } ]
约半数病例以后睾丸发生萎缩。
[ { "id": 0, "entity": "睾丸", "start_offset": 7, "end_offset": 9, "label": "bod" }, { "id": 1, "entity": "睾丸发生萎缩", "start_offset": 7, "end_offset": 13, "label": "sym" } ]
因常为单侧受累,很少影响生育。
[ { "id": 0, "entity": "单侧受累", "start_offset": 3, "end_offset": 7, "label": "sym" } ]
(四)胰腺炎为严重的少见表现。
[ { "id": 0, "entity": "胰腺炎", "start_offset": 3, "end_offset": 6, "label": "dis" } ]
轻型或亚临床型感染远较已诊断者多。
[ { "id": 0, "entity": "轻型或亚临床型感染", "start_offset": 0, "end_offset": 9, "label": "sym" } ]
(五)其他女性患者可有卵巢炎。
[ { "id": 0, "entity": "卵巢炎", "start_offset": 11, "end_offset": 14, "label": "dis" } ]
(六)宫内感染孕早期患腮腺炎时,胎儿病死率增高,有报告腮腺病毒与胎儿、新生儿原发性心内膜纤维弹力组织增生症有关,但有人持反对意见。
[ { "id": 0, "entity": "宫内感染", "start_offset": 3, "end_offset": 7, "label": "dis" }, { "id": 1, "entity": "腮腺炎", "start_offset": 11, "end_offset": 14, "label": "dis" }, { "id": 2, "entity": "腮腺病毒", "start_offset": 27, "end_offset": 31, "label": "mic" }, { "id": 3, "entity": "胎儿、新生儿原发性心内膜纤维弹力组织增生症", "start_offset": 32, "end_offset": 53, "label": "dis" } ]
对腮腺病毒致畸作用尚有争议。
[ { "id": 0, "entity": "腮腺病毒", "start_offset": 1, "end_offset": 5, "label": "mic" }, { "id": 1, "entity": "畸", "start_offset": 6, "end_offset": 7, "label": "dis" } ]
【诊断】根据流行病学资料、接触史和典型腮腺炎表现易确定诊断,缺乏腮腺炎表现或接种过疫苗的患儿需进行病原学诊断,方法包括:(一)病毒分离收集急性期唾液标本和脑膜脑炎发生后5天内脑脊液接种敏感细胞,病变细胞可见胞质内嗜酸性包涵体,形成多核巨细胞。
[ { "id": 0, "entity": "腮腺炎", "start_offset": 19, "end_offset": 22, "label": "dis" }, { "id": 1, "entity": "腮腺炎", "start_offset": 32, "end_offset": 35, "label": "dis" }, { "id": 2, "entity": "疫苗", "start_offset": 41, "end_offset": 43, "label": "dru" }, { "id": 3, "entity": "病毒分离", "start_offset": 63, "end_offset": 67, "label": "pro" }, { "id": 4, "entity": "唾液", "start_offset": 72, "end_offset": 74, "label": "bod" }, { "id": 5, "entity": "脑膜脑炎", "start_offset": 77, "end_offset": 81, "label": "dis" }, { "id": 6, "entity": "脑脊液", "start_offset": 87, "end_offset": 90, "label": "bod" }, { "id": 7, "entity": "胞质", "start_offset": 103, "end_offset": 105, "label": "bod" } ]
用特异性抗血清可早期快速检出培养物中病毒(免疫荧光法)。
[ { "id": 0, "entity": "血清", "start_offset": 5, "end_offset": 7, "label": "bod" }, { "id": 1, "entity": "病毒", "start_offset": 18, "end_offset": 20, "label": "mic" }, { "id": 2, "entity": "免疫荧光法", "start_offset": 21, "end_offset": 26, "label": "pro" } ]
(二)特异性抗体检测用补体结合试验、血凝抑制试验或ELISA法检测双份血清,特异IgG≥4倍增高可建立诊断,但因腮腺炎病毒与副流感病毒间存在交叉抗体反应,故此法并不理想。
[ { "id": 0, "entity": "特异性抗体检测", "start_offset": 3, "end_offset": 10, "label": "pro" }, { "id": 1, "entity": "血凝抑制试验", "start_offset": 18, "end_offset": 24, "label": "pro" }, { "id": 2, "entity": "ELISA法", "start_offset": 25, "end_offset": 31, "label": "pro" }, { "id": 3, "entity": "血清", "start_offset": 35, "end_offset": 37, "label": "bod" }, { "id": 4, "entity": "特异IgG", "start_offset": 38, "end_offset": 43, "label": "ite" }, { "id": 5, "entity": "腮腺炎病毒", "start_offset": 56, "end_offset": 61, "label": "mic" }, { "id": 6, "entity": "副流感病毒", "start_offset": 62, "end_offset": 67, "label": "mic" } ]
特异性IgM阳性提示近期感染(IgM在疾病早期出现,持续60天)。
[ { "id": 0, "entity": "特异性IgM阳性", "start_offset": 0, "end_offset": 8, "label": "sym" }, { "id": 1, "entity": "感染", "start_offset": 12, "end_offset": 14, "label": "sym" } ]
【鉴别诊断】(一)急性淋巴结炎耳前、颈浅上和下颌角淋巴结发炎肿大伴有周围组织水肿时,易于腮腺炎混淆。
[ { "id": 0, "entity": "急性淋巴结炎", "start_offset": 9, "end_offset": 15, "label": "dis" }, { "id": 1, "entity": "耳前、颈浅上和下颌角淋巴结", "start_offset": 15, "end_offset": 28, "label": "bod" }, { "id": 2, "entity": "耳前、颈浅上和下颌角淋巴结发炎肿大伴有周围组织水肿", "start_offset": 15, "end_offset": 40, "label": "sym" }, { "id": 3, "entity": "腮腺炎", "start_offset": 44, "end_offset": 47, "label": "dis" } ]
而颌下和颏下淋巴结炎时,又易与颌下和舌下腺炎混淆。
[ { "id": 0, "entity": "颌下和颏下淋巴结炎", "start_offset": 1, "end_offset": 10, "label": "dis" }, { "id": 1, "entity": "颌下和舌下腺炎", "start_offset": 15, "end_offset": 22, "label": "dis" } ]
这些淋巴结炎局部疼痛较重,且常有头面部或口咽部感染病灶,周围血象中白细胞总数和中性粒细胞均增高。
[ { "id": 0, "entity": "淋巴结炎", "start_offset": 2, "end_offset": 6, "label": "dis" }, { "id": 1, "entity": "头面部", "start_offset": 16, "end_offset": 19, "label": "bod" }, { "id": 2, "entity": "口咽部", "start_offset": 20, "end_offset": 23, "label": "bod" }, { "id": 3, "entity": "白细胞总数", "start_offset": 33, "end_offset": 38, "label": "ite" }, { "id": 4, "entity": "中性粒细胞", "start_offset": 39, "end_offset": 44, "label": "ite" } ]
(二)急性化脓性腮腺炎病原多为金黄色葡萄球菌。
[ { "id": 0, "entity": "急性化脓性腮腺炎", "start_offset": 3, "end_offset": 11, "label": "dis" }, { "id": 1, "entity": "金黄色葡萄球菌", "start_offset": 15, "end_offset": 22, "label": "mic" } ]
外周血白细胞总数和中性粒细胞增高。
[ { "id": 0, "entity": "外周血白细胞总数", "start_offset": 0, "end_offset": 8, "label": "ite" }, { "id": 1, "entity": "中性粒细胞", "start_offset": 9, "end_offset": 14, "label": "ite" }, { "id": 2, "entity": "外周血白细胞总数和中性粒细胞增高", "start_offset": 0, "end_offset": 16, "label": "sym" } ]
(三)复发性腮腺炎病因不明,可因感染和药物过敏所致,腮腺反复肿大,有些患者作腮腺管X线造影可见结石。
[ { "id": 0, "entity": "复发性腮腺炎", "start_offset": 3, "end_offset": 9, "label": "dis" }, { "id": 1, "entity": "腮腺", "start_offset": 26, "end_offset": 28, "label": "bod" }, { "id": 2, "entity": "腮腺反复肿大", "start_offset": 26, "end_offset": 32, "label": "sym" }, { "id": 3, "entity": "腮腺管X线造影", "start_offset": 38, "end_offset": 45, "label": "pro" }, { "id": 4, "entity": "结石", "start_offset": 47, "end_offset": 49, "label": "sym" } ]
(四)其他病毒所致腮腺炎柯萨基病毒和副流感病毒可致腮腺炎,需借助病原学检查鉴别。
[ { "id": 0, "entity": "病毒", "start_offset": 5, "end_offset": 7, "label": "mic" }, { "id": 1, "entity": "腮腺炎", "start_offset": 9, "end_offset": 12, "label": "dis" }, { "id": 2, "entity": "柯萨基病毒", "start_offset": 12, "end_offset": 17, "label": "mic" }, { "id": 3, "entity": "副流感病毒", "start_offset": 18, "end_offset": 23, "label": "mic" }, { "id": 4, "entity": "腮腺炎", "start_offset": 25, "end_offset": 28, "label": "dis" } ]
【预防】一般预防应隔离患者至腮腺肿胀完全消退为止。
[ { "id": 0, "entity": "隔离患者", "start_offset": 9, "end_offset": 13, "label": "pro" }, { "id": 1, "entity": "腮腺", "start_offset": 14, "end_offset": 16, "label": "bod" }, { "id": 2, "entity": "腮腺肿胀", "start_offset": 14, "end_offset": 18, "label": "sym" } ]
孕早期易感孕妇应避免接触患者,以免造成胎儿感染。
[ { "id": 0, "entity": "感染", "start_offset": 21, "end_offset": 23, "label": "sym" } ]
腮腺炎减毒活疫苗(JerylLynn株)接种后产生亚临床感染,诱生的抗体可维持至少20年。
[ { "id": 0, "entity": "腮腺炎减毒活疫苗", "start_offset": 0, "end_offset": 8, "label": "dru" }, { "id": 1, "entity": "JerylLynn株", "start_offset": 9, "end_offset": 19, "label": "dru" }, { "id": 2, "entity": "亚临床感染", "start_offset": 25, "end_offset": 30, "label": "sym" }, { "id": 3, "entity": "抗体", "start_offset": 34, "end_offset": 36, "label": "bod" } ]
应用麻疹-腮腺炎-风疹(MMR)三联疫苗抗体阳转率可达95%以上,推荐对大于12月龄小儿、青春期和成年无自然感染史者普遍接种。
[ { "id": 0, "entity": "麻疹-腮腺炎-风疹(MMR)三联疫苗", "start_offset": 2, "end_offset": 20, "label": "dru" }, { "id": 1, "entity": "抗体", "start_offset": 20, "end_offset": 22, "label": "bod" }, { "id": 2, "entity": "接种", "start_offset": 60, "end_offset": 62, "label": "pro" } ]
12月龄以内婴儿因存在母传抗体干扰,不宜接种。
[ { "id": 0, "entity": "接种", "start_offset": 20, "end_offset": 22, "label": "pro" } ]
孕期、严重发热性疾病、过敏、近期接受过免疫球蛋白和免疫抑制患者不能接种。
[ { "id": 0, "entity": "严重发热性疾病", "start_offset": 3, "end_offset": 10, "label": "dis" }, { "id": 1, "entity": "过敏", "start_offset": 11, "end_offset": 13, "label": "dis" }, { "id": 2, "entity": "免疫球蛋白", "start_offset": 19, "end_offset": 24, "label": "dru" }, { "id": 3, "entity": "接种", "start_offset": 33, "end_offset": 35, "label": "pro" } ]
可用中药板蓝根口服口服或注射,或用青黛散调醋局部涂敷。
[ { "id": 0, "entity": "中药板蓝根", "start_offset": 2, "end_offset": 7, "label": "dru" }, { "id": 1, "entity": "口服", "start_offset": 7, "end_offset": 9, "label": "pro" }, { "id": 2, "entity": "注射", "start_offset": 12, "end_offset": 14, "label": "pro" }, { "id": 3, "entity": "青黛散调醋局部涂敷", "start_offset": 17, "end_offset": 26, "label": "pro" } ]
发生睾丸炎时,局部冷湿敷,并将阴囊吊起。
[ { "id": 0, "entity": "睾丸炎", "start_offset": 2, "end_offset": 5, "label": "dis" }, { "id": 1, "entity": "局部冷湿敷", "start_offset": 7, "end_offset": 12, "label": "pro" }, { "id": 2, "entity": "阴囊", "start_offset": 15, "end_offset": 17, "label": "bod" } ]
发生胰腺炎或脑膜炎时,应作相应处理。
[ { "id": 0, "entity": "胰腺炎", "start_offset": 2, "end_offset": 5, "label": "dis" }, { "id": 1, "entity": "脑膜炎", "start_offset": 6, "end_offset": 9, "label": "dis" } ]
第四节曲霉菌病【病原学和发病机制】曲霉菌(aspergillosis)可分为18个群、132个种和18个变种,绝大多数分为非致病菌,对人类致病者有烟曲霉、黄曲霉、黑曲霉、土曲霉、构巢曲霉等,其中以烟曲霉最常见。
[ { "id": 0, "entity": "曲霉菌病", "start_offset": 3, "end_offset": 7, "label": "dis" }, { "id": 1, "entity": "曲霉菌", "start_offset": 17, "end_offset": 20, "label": "mic" }, { "id": 2, "entity": "aspergillosis", "start_offset": 21, "end_offset": 34, "label": "mic" }, { "id": 3, "entity": "非致病菌", "start_offset": 61, "end_offset": 65, "label": "mic" }, { "id": 4, "entity": "烟曲霉", "start_offset": 73, "end_offset": 76, "label": "mic" }, { "id": 5, "entity": "黄曲霉", "start_offset": 77, "end_offset": 80, "label": "mic" }, { "id": 6, "entity": "黑曲霉", "start_offset": 81, "end_offset": 84, "label": "mic" }, { "id": 7, "entity": "土曲霉", "start_offset": 85, "end_offset": 88, "label": "mic" }, { "id": 8, "entity": "构巢曲霉", "start_offset": 89, "end_offset": 93, "label": "mic" }, { "id": 9, "entity": "烟曲霉", "start_offset": 98, "end_offset": 101, "label": "mic" } ]
在各种曲霉病中,可为单一曲霉菌的感染,也可两种以上曲霉合并感染。
[ { "id": 0, "entity": "曲霉病", "start_offset": 3, "end_offset": 6, "label": "dis" }, { "id": 1, "entity": "曲霉菌", "start_offset": 12, "end_offset": 15, "label": "mic" }, { "id": 2, "entity": "曲霉", "start_offset": 25, "end_offset": 27, "label": "mic" } ]
曲霉菌的致病方式有以下几种:(1)原发性侵袭型:机体抵抗力正常,吸入大量的病原体,使机体感染,引起急性肺炎表现。
[ { "id": 0, "entity": "曲霉菌", "start_offset": 0, "end_offset": 3, "label": "mic" }, { "id": 1, "entity": "急性肺炎", "start_offset": 49, "end_offset": 53, "label": "dis" } ]
(2)继发性侵袭型:机体患有严重疾病或长期应用大量抗生素、免疫抑制剂,此型较为常见。
[ { "id": 0, "entity": "抗生素", "start_offset": 25, "end_offset": 28, "label": "dru" }, { "id": 1, "entity": "免疫抑制剂", "start_offset": 29, "end_offset": 34, "label": "dru" } ]
(3)变态反应型:因吸入大量曲霉孢子而引起过敏反应。
[ { "id": 0, "entity": "曲霉孢子", "start_offset": 14, "end_offset": 18, "label": "mic" }, { "id": 1, "entity": "过敏反应", "start_offset": 21, "end_offset": 25, "label": "dis" } ]
(4)寄生型:曲霉菌寄生在支气管扩张的空腔内和肺结核的空洞内。
[ { "id": 0, "entity": "曲霉菌", "start_offset": 7, "end_offset": 10, "label": "mic" }, { "id": 1, "entity": "支气管扩张的空腔", "start_offset": 13, "end_offset": 21, "label": "bod" }, { "id": 2, "entity": "肺结核的空洞", "start_offset": 23, "end_offset": 29, "label": "bod" } ]
本病为外源性感染,主要是肺部吸入大量的曲霉菌孢子,侵入血流播散至全身各器官。
[ { "id": 0, "entity": "外源性感染", "start_offset": 3, "end_offset": 8, "label": "dis" }, { "id": 1, "entity": "肺部", "start_offset": 12, "end_offset": 14, "label": "bod" }, { "id": 2, "entity": "曲霉菌孢子", "start_offset": 19, "end_offset": 24, "label": "mic" }, { "id": 3, "entity": "血流", "start_offset": 27, "end_offset": 29, "label": "bod" } ]
其次是皮肤创伤性接种。
[ { "id": 0, "entity": "皮肤", "start_offset": 3, "end_offset": 5, "label": "bod" }, { "id": 1, "entity": "接种", "start_offset": 8, "end_offset": 10, "label": "pro" } ]
主要有渗出性炎症、脓肿、坏死溃疡、和肉芽肿等4种类型。
[ { "id": 0, "entity": "渗出性炎症", "start_offset": 3, "end_offset": 8, "label": "dis" }, { "id": 1, "entity": "脓肿", "start_offset": 9, "end_offset": 11, "label": "dis" }, { "id": 2, "entity": "坏死溃疡", "start_offset": 12, "end_offset": 16, "label": "dis" }, { "id": 3, "entity": "肉芽肿", "start_offset": 18, "end_offset": 21, "label": "dis" } ]
脓肿中常可见到菌丝。
[ { "id": 0, "entity": "脓肿中常可见到菌丝", "start_offset": 0, "end_offset": 9, "label": "sym" } ]
HE染色呈蓝色略带红色,PAS染色红色,嗜银染色呈黑色。
[ { "id": 0, "entity": "HE染色呈蓝色略带红色", "start_offset": 0, "end_offset": 11, "label": "sym" }, { "id": 1, "entity": "PAS染色红色", "start_offset": 12, "end_offset": 19, "label": "sym" }, { "id": 2, "entity": "嗜银染色呈黑色", "start_offset": 20, "end_offset": 27, "label": "sym" } ]
慢性肺曲霉菌病特点为肺组织损伤显著,但曲霉菌成分仅少量,或菌丝发生变型,故称半侵袭性肺曲霉菌病,应注意仔细反复寻找。
[ { "id": 0, "entity": "慢性肺曲霉菌病", "start_offset": 0, "end_offset": 7, "label": "dis" }, { "id": 1, "entity": "肺组织损伤显著", "start_offset": 10, "end_offset": 17, "label": "sym" }, { "id": 2, "entity": "曲霉菌成分仅少量", "start_offset": 19, "end_offset": 27, "label": "sym" }, { "id": 3, "entity": "菌丝发生变型", "start_offset": 29, "end_offset": 35, "label": "sym" }, { "id": 4, "entity": "半侵袭性肺曲霉菌病", "start_offset": 38, "end_offset": 47, "label": "dis" } ]
【临床类型】由于机体免疫状态和易感性不同,曲霉菌侵入肺部可以引起下列3种表现:曲霉菌球、过敏性支气管肺曲霉菌病、侵袭性肺部曲霉菌病。
[ { "id": 0, "entity": "曲霉菌", "start_offset": 21, "end_offset": 24, "label": "mic" }, { "id": 1, "entity": "肺部", "start_offset": 26, "end_offset": 28, "label": "bod" }, { "id": 2, "entity": "曲霉菌球", "start_offset": 39, "end_offset": 43, "label": "dis" }, { "id": 3, "entity": "过敏性支气管肺曲霉菌病", "start_offset": 44, "end_offset": 55, "label": "dis" }, { "id": 4, "entity": "侵袭性肺部曲霉菌病", "start_offset": 56, "end_offset": 65, "label": "dis" } ]
1.曲霉菌球此型多在肺部存在空洞性病变的情况下,真菌在空腔内寄生,形成曲霉球。
[ { "id": 0, "entity": "曲霉菌球", "start_offset": 2, "end_offset": 6, "label": "dis" }, { "id": 1, "entity": "肺部存在空洞性病变", "start_offset": 10, "end_offset": 19, "label": "sym" }, { "id": 2, "entity": "真菌", "start_offset": 24, "end_offset": 26, "label": "mic" }, { "id": 3, "entity": "曲霉球", "start_offset": 35, "end_offset": 38, "label": "dis" } ]
一般为单个出现,偶尔双肺同时出现。
[ { "id": 0, "entity": "双肺", "start_offset": 10, "end_offset": 12, "label": "bod" }, { "id": 1, "entity": "双肺同时出现", "start_offset": 10, "end_offset": 16, "label": "sym" } ]
典型的X线表现:空洞内有一个新月形气体阴影,由于菌丝不侵袭空洞壁,较小的曲霉球可在空洞内移动,或随体位改变而移动。
[ { "id": 0, "entity": "X线", "start_offset": 3, "end_offset": 5, "label": "pro" }, { "id": 1, "entity": "空洞内有一个新月形气体阴影", "start_offset": 8, "end_offset": 21, "label": "sym" }, { "id": 2, "entity": "较小的曲霉球可在空洞内移动,或随体位改变而移动", "start_offset": 33, "end_offset": 56, "label": "sym" } ]
这些空洞也可为过敏性或侵袭性曲霉菌病的演变。
[ { "id": 0, "entity": "过敏性或侵袭性曲霉菌病", "start_offset": 7, "end_offset": 18, "label": "dis" } ]
侵袭性曲霉菌病引起肺炎,肺组织坏死,呈真菌性肺脓肿,脓腔形成,进一步形成球体。
[ { "id": 0, "entity": "侵袭性曲霉菌病", "start_offset": 0, "end_offset": 7, "label": "dis" }, { "id": 1, "entity": "肺炎", "start_offset": 9, "end_offset": 11, "label": "dis" }, { "id": 2, "entity": "肺组织坏死", "start_offset": 12, "end_offset": 17, "label": "dis" }, { "id": 3, "entity": "真菌性肺脓肿", "start_offset": 19, "end_offset": 25, "label": "dis" } ]
此外,过敏性支气管肺曲霉菌病亦可发生脓肿,最后形成曲霉球。
[ { "id": 0, "entity": "过敏性支气管肺曲霉菌病", "start_offset": 3, "end_offset": 14, "label": "dis" }, { "id": 1, "entity": "脓肿", "start_offset": 18, "end_offset": 20, "label": "dis" }, { "id": 2, "entity": "曲霉球", "start_offset": 25, "end_offset": 28, "label": "dis" } ]
2.过敏性支气管肺曲霉菌病(ABPA)是曲霉菌引起的过敏性肺疾病。
[ { "id": 0, "entity": "过敏性支气管肺曲霉菌病", "start_offset": 2, "end_offset": 13, "label": "dis" }, { "id": 1, "entity": "ABPA", "start_offset": 14, "end_offset": 18, "label": "dis" }, { "id": 2, "entity": "曲霉菌", "start_offset": 20, "end_offset": 23, "label": "mic" }, { "id": 3, "entity": "过敏性肺疾病", "start_offset": 26, "end_offset": 32, "label": "dis" } ]
绝大多数发生于哮喘或有过敏性疾病的患者。
[ { "id": 0, "entity": "哮喘", "start_offset": 7, "end_offset": 9, "label": "dis" }, { "id": 1, "entity": "过敏性疾病", "start_offset": 11, "end_offset": 16, "label": "dis" } ]
ABPA典型的病理变化是中央气道扩张,常有黏液堵塞,远端气道通常正常。
[ { "id": 0, "entity": "ABPA", "start_offset": 0, "end_offset": 4, "label": "dis" }, { "id": 1, "entity": "中央气道扩张,常有黏液堵塞", "start_offset": 12, "end_offset": 25, "label": "sym" }, { "id": 2, "entity": "远端气道通常正常", "start_offset": 26, "end_offset": 34, "label": "sym" } ]
曲霉菌的菌丝可与支气管壁紧密相邻,但界限清楚,不侵入管壁和血管,一些病例可形成肉芽肿。
[ { "id": 0, "entity": "曲霉菌", "start_offset": 0, "end_offset": 3, "label": "mic" }, { "id": 1, "entity": "支气管壁", "start_offset": 8, "end_offset": 12, "label": "bod" }, { "id": 2, "entity": "管壁", "start_offset": 26, "end_offset": 28, "label": "bod" }, { "id": 3, "entity": "血管", "start_offset": 29, "end_offset": 31, "label": "bod" }, { "id": 4, "entity": "肉芽肿", "start_offset": 39, "end_offset": 42, "label": "sym" } ]
在临床上,ABPA支气管痉挛是短暂的,后期症状趋于慢性。
[ { "id": 0, "entity": "ABPA支气管痉挛", "start_offset": 5, "end_offset": 14, "label": "dis" } ]
外周血和痰液嗜酸性粒细胞升高。
[ { "id": 0, "entity": "血", "start_offset": 2, "end_offset": 3, "label": "bod" }, { "id": 1, "entity": "痰液", "start_offset": 4, "end_offset": 6, "label": "bod" }, { "id": 2, "entity": "嗜酸性粒细胞", "start_offset": 6, "end_offset": 12, "label": "ite" }, { "id": 3, "entity": "外周血和痰液嗜酸性粒细胞升高", "start_offset": 0, "end_offset": 14, "label": "sym" } ]