ANCA荧光检测与常见靶抗原特异性抗体不相符:ANCA相关性血管炎1例

Rheumatism and Arthritis(2021)

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Abstract
抗中性粒细胞胞质抗体(ANCA)是一组以人中性粒细胞胞质成分为靶抗原的自身抗体,包括抗髓过氧化物酶(MPO)抗体和抗蛋白酶3(PR3)抗体,与临床多种小血管性疾病密切相关.抗中性粒细胞胞质抗体相关性血管炎(antineutrophil cy-toplasmic antibody-associated vasculitis,AAV)是一类以坏死性炎症为特点的血管炎,可以累及全身多系统,最常累及肾脏和肺,严重时可威胁生命,检测ANCA对于呼吸科、肾内科与风湿免疫科疾病的诊断和鉴别诊断有着重要的意义.笔者报道1例AAV患者靶抗原MPO阳性合并胞质颗粒型ANCA (cANCA)阳性,现结合相关文献报道如下.
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