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中华临床医师杂志(电子版) ›› 2026, Vol. 20 ›› Issue (01) : 68 -72. doi: 10.3877/cma.j.issn.1674-0785.2026.01.011

病例报告

一例老年ANCA相关性肾炎合并膜性肾病的诊疗思路与启示
裴雨, 宋亚琼, 张舒鸣, 杨雯尹, 仲昱, 李正红, 陈燕, 孙伟, 赵静()   
  1. 210023 江苏南京,南京中医药大学附属医院肾内科
  • 收稿日期:2025-11-01 出版日期:2026-01-30
  • 通信作者: 赵静
  • 基金资助:
    江苏省干部保健科研立项项目(BJ23011); 江苏省中医药科技发展计划重点项目(ZD202209); 江苏省中医院创新发展基金项目(Y2023CX05)

ANCA-associated glomerulorephritis with concurrent membranous nephropathy in an elderly patient: diagnostic and therapeutic implications

Yu Pei, Yaqiong Song, Shuming Zhang   

  • Received:2025-11-01 Published:2026-01-30
引用本文:

裴雨, 宋亚琼, 张舒鸣, 杨雯尹, 仲昱, 李正红, 陈燕, 孙伟, 赵静. 一例老年ANCA相关性肾炎合并膜性肾病的诊疗思路与启示[J/OL]. 中华临床医师杂志(电子版), 2026, 20(01): 68-72.

Yu Pei, Yaqiong Song, Shuming Zhang. ANCA-associated glomerulorephritis with concurrent membranous nephropathy in an elderly patient: diagnostic and therapeutic implications[J/OL]. Chinese Journal of Clinicians(Electronic Edition), 2026, 20(01): 68-72.

表1 患者关键临床指标及治疗事件
图1 患者头颅MRI(2025-06-18江苏省中医院)影像学图片。图a为C4-2-Avg DWI Maps(b=1000),24 slice:Se 4002,Imc 14/24;图b为C2-T2 FSE TRA 23 slice:Se 2,Imc 13/23
图2 患者肾活检病理光镜染色(×400)图像:图a为HE染色;图b为PAM染色:肾小球毛细血管基底膜空泡变性(绿色箭头),见少量“钉突”(红色箭头),未明确“双轨”样改变;图c为PAS染色:肾小球系膜区未见明显增宽;图d为Masson染色:上皮侧见少量嗜复红蛋白沉积
图3 患者肾活检免疫荧光染色(×400)图像。肾小球:肾小球6个,冷冻切片免疫荧光IgA(++)、IgG(+++)、IgG1(++)、IgG2(++)、IgG3(++)、IgG4(++),弥漫分布,呈细颗粒状沉积于血管袢;C3(++)、C1q(++)、Kappa(+)、Lambda(+),弥漫分布,呈细颗粒状沉积于血管袢;IgM(+),节段分布,呈细颗粒状沉积于及血管袢;C4阴性。石蜡切片免疫荧光;PLA2R(±),弥漫分布,呈细颗粒状沉积于毛细血管袢。肾小管:肾小管基底膜未见免疫复合物、补体沉积。血管壁:阴性。管型:阴性。图a为IgA染色:肾小球弥漫分布,呈细颗粒状沉积于血管袢,染色强度(++),与IgG沉积模式一致;图b为IgG染色:肾小球6个,弥漫分布,呈细颗粒状沉积于血管袢,染色强度(+++) 注:PLA2R为染色结果见病理报告描述,无对应镜下图
图4 为患者肾活检病理电镜(×8000)图片。图a为肾小球毛细血管袢基底膜不规则增厚(最厚达1300 nm),基底膜内见电子致密物沉积(绿色箭头),足细胞足突弥漫融合>90%(红色箭头),部分崩解出现裸膜;图b为肾小球上皮下见电子致密物沉积(绿色箭头),部分毛细血管袢塌陷,结构不清,足突融合改变显著;图c为足细胞足突弥漫融合、消失(红色箭头),袢与袢存在黏连,部分毛细血管袢塌陷,结构不清(黄色方框),上皮下和基底膜内可见电子致密物沉积
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