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  混合结缔组织病特征是同时或不同时具有SLE(系统性红斑狼疮)、PSS(硬皮病)及PM(多发性肌炎)或DM(皮肌炎)等混合表现,血清中出现高滴度的 RNP(核糖核蛋白)抗体,糖皮质激素有显著疗效,预后良好。
1.中度贫血,白细胞减少,血沉增快,重症者有溶血性贫血,RF(类风湿因子)阳性。
2.免疫学检查几乎100%患者抗RNP抗体阳性,滴度>1∶4000;ANA(抗核抗体)为高滴度斑点型;抗Sm抗体阴性CIC(循环免疫复合体)增高,补体正常或略高;表皮棘细胞核荧光染色阳性,以IgG沉积多见,部分患者真表皮交界处可有IgM沉积。
自身免疫疾病和其他疾病

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« This particular version was published on 26-Jul-2013 13:18 by 1614216108.