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抗中性粒细胞胞浆抗体(anti-neutrophil cyto-plasmic antibodies,ANCA)相关性血管炎(associated vasculitides,AAV)是由一组自身免疫性疾病组成,包括肉芽肿性多血管炎(granulomatosis with polyangii-tis,GPA)、显微镜下型多血管炎(microscopic polyangiitis,MPA)和嗜酸细胞性肉芽肿性多血管炎(eosinophilic granulomatosis with polyangiitis,