首页> 美国卫生研究院文献>Internal Medicine >An Autopsy Case of Myeloperoxidase-anti-neutrophil Cytoplasmic Antibody (MPO-ANCA)-associated Vasculitis Accompanied by Cryoglobulinemic Vasculitis Affecting the Kidneys Skin and Gastrointestinal Tract
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An Autopsy Case of Myeloperoxidase-anti-neutrophil Cytoplasmic Antibody (MPO-ANCA)-associated Vasculitis Accompanied by Cryoglobulinemic Vasculitis Affecting the Kidneys Skin and Gastrointestinal Tract

机译:骨髓过氧化物酶抗中性粒细胞胞质抗体(MPO-ANCA)相关的血管炎伴低温肾小管血管炎的尸检病例影响肾脏皮肤和胃肠道

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摘要

Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) and cryoglobulinemic vasculitis (CV) rarely coexist. An 83-year-old woman was admitted with rapidly progressive renal failure, gastrointestinal hemorrhage and purpura with myeloperoxidase (MPO)-ANCA positivity and cryoglobulinemia. Despite intensive immunosuppressive treatment, she died of aspergillus pneumonia. Autopsy revealed necrotizing crescentic glomerulitis in the majority of the glomeruli, accompanied by partially membranoproliferative-like glomerular changes. Immunofluorescence staining revealed the presence of neutrophil extracellular trap (NET) formation in the glomeruli and cutaneous arteries. These pathological findings suggested that MPO-AAV and/or CV caused NET formation, leading to lethal systemic vasculitis.
机译:抗中性粒细胞胞浆抗体(ANCA)相关血管炎(AAV)和冰球蛋白血症性血管炎(CV)很少并存。一名83岁的女性因髓过氧化物酶(MPO)-ANCA阳性和冷球蛋白血症而迅速进展为肾功能衰竭,胃肠道出血和紫癜。尽管进行了严格的免疫抑制治疗,她仍死于曲霉性肺炎。尸检显示大部分肾小球坏死性新月型肾小球炎,伴有部分膜增生性肾小球改变。免疫荧光染色显示在肾小球和皮肤动脉中存在中性粒细胞胞外陷阱(NET)。这些病理结果表明,MPO-AAV和/或CV引起NET的形成,导致致命的系统性血管炎。

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