髓过氧化物酶相关性肾小球肾炎和疑似 IgA 介导的抗肾小球基底膜病的异常表现:病例报告。

IF 0.7 Q4 UROLOGY & NEPHROLOGY
Case Reports in Nephrology and Dialysis Pub Date : 2024-07-11 eCollection Date: 2024-01-01 DOI:10.1159/000538973
Ciaran Twomey Brenner, Sujit Saha, Kate Bramham, Katie Vinen, Catherine Horsfield, Eirini Lioudaki
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引用次数: 0

摘要

导言:抗肾小球基底膜(GBM)病是一种罕见的肾小球肾炎病因,通常由IgG抗体介导,高达50%的病例与ANCA相关性肾小球肾炎有关。IgA 介导的抗-GBM 疾病极为罕见,并且给诊断带来困难,因为抗-GBM 疾病的标准血清学检测无法检测到循环中的 IgA 抗体:本病例是一名 67 岁男子的病例,他患有快速进展性肾小球肾炎,发病时需要进行血液透析。血清学检测结果为抗肾小球过氧化物酶阳性,IgG 抗 GBM 抗体阴性。肾活检发现坏死性新月体肾小球肾炎,IgA沿GBM呈线状染色。他接受了免疫抑制和血浆置换的综合治疗,并得以脱离透析:据我们所知,这是首例 IgA 抗 GBM 病和 ANCA 相关性肾小球肾炎 "双阳性 "病例。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Unusual Presentation of Myeloperoxidase-Associated Glomerulonephritis and Suspected IgA-Mediated Anti-Glomerular Basement Membrane Disease: A Case Report.

Introduction: Anti-glomerular basement membrane (GBM) disease is a rare cause of glomerulonephritis usually mediated by IgG antibodies and is associated with ANCA-associated glomerulonephritis in up to 50% of cases. IgA-mediated anti-GBM disease is extremely rare and presents diagnostic difficulties as circulating IgA antibodies will not be detected by standard serological tests for anti-GBM disease.

Case presentation: We present the case of a 67-year-old man with rapidly progressive glomerulonephritis requiring haemodialysis at presentation. Serological testing was positive for anti-myeloperoxidase and negative for IgG anti-GBM antibodies. Kidney biopsy revealed necrotizing crescentic glomerulonephritis with linear staining of IgA along the GBM. He was treated with a combination of immunosuppression and plasma exchange and was able to become dialysis-independent.

Conclusion: To our knowledge, this is the first documented "double-positive" IgA anti-GBM disease and ANCA-associated glomerulonephritis.

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来源期刊
CiteScore
1.20
自引率
0.00%
发文量
36
审稿时长
10 weeks
期刊介绍: This peer-reviewed online-only journal publishes original case reports covering the entire spectrum of nephrology and dialysis, including genetic susceptibility, clinical presentation, diagnosis, treatment or prevention, toxicities of therapy, critical care, supportive care, quality-of-life and survival issues. The journal will also accept case reports dealing with the use of novel technologies, both in the arena of diagnosis and treatment. Supplementary material is welcomed.
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