病理学之免疫性疾病

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病理学
免疫性疾病
Disorders of the Immune System
提要
自身免疫性疾病 免疫缺陷病 器官和骨髓移植
自身免疫性疾病
自身免疫性疾病(Autoimmune disease)
器官或细胞特异性自身免疫性疾病
机体自身产生的抗体或致敏淋巴细胞,破坏、损伤
自身的组织和细胞成分,导致组织损害和器官功能障碍
发病因素
遗传因素 免疫因素 其他
血细胞的损伤和溶解
血管和肾小球病变 全血细胞减少
系统性红斑狼疮
病理变化:
抗核抗体攻击变性或胞膜受损的细胞,细胞核肿胀,呈
均质一片,并被挤出胞体,形成狼疮小体(苏木素小体)
为诊断SLE的特征性依据
吞噬了狼疮小体的中性粒细胞或巨噬细胞称为狼疮细胞
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--系统性红斑狼疮
(Systemic lupus erythematosus, SLE)
--类风湿关节炎
(Rheumatoid arthritis, RA)
系统性红斑狼疮
病因和发病机制:免疫耐受的丧失和自身抗体的产生
自身抗体的形成--抗核抗体
DNA-抗DNA复合物 抗红细胞、血 小板等抗体
Ⅲ型变态反应 Ⅱ型变态反应
的原发性免疫性疾病
系统性自身免疫性疾病
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