在膜增殖性全球膜炎中进行重复脏活检
Ai-Hui Li1,2,3,4,5, Yang Li1,2,3,4,5, Meng-Shi Li1,2,3,4,5
1Renal Division, Peking University First Hospital, Beijing, China.
Kidney diseases (Basel, Switzerland)
|May 8, 2025
概括
重复的活检对于诊断膜增殖性球炎 (MPGN) 至关重要,特别是当初始检测结果为阴性时,对于识别具有性意义的单克隆性胃病变 (MGRS) 至关重要.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 病理学 病理学 病理学
- 免疫学 免疫学 免疫学
背景情况:
- 膜增殖性淋巴结膜炎 (MPGN) 是一种复杂的淋巴结膜性疾病,呈现异质.
- 准确的诊断和对MPGN的病原性理解通常需要进行连续调查.
研究的目的:
- 评估MPGN.患者重复脏活检的诊断产量.
- 评估临床和病理发现的变化以及重新分类率的变化,特别是在性意义单克隆性胃病变 (MGRS) 中.
主要方法:
- 对82名患有MPGN的患者的临床和病理数据的回顾性分析,这些患者接受了至少两次脏活检.
- 首次和随后的活检之间的发现的比较,包括蛋白尿,估计的淋巴细胞过率 (eGFR) 和补体沉积.
- 对病因重新分类的分析,重点关注异常性MPGN和MGRS之间的区别.
主要成果:
- 大约28%的MPGN患者接受了重复活检,比免疫抑制下其他质核瘤病例的发病率更高.
- 重复活检显示蛋白尿和脏C3沉积的显著增加,以及eGFR的下降.
- 37%的患者在病因上被重新分类,主要是MGRS,这与老年和较差的功能有关,但与异常性MPGN相比,eGFR下降速度较慢.
- 显著比例的MGRS患者 (64%) 在初始血清或尿液免疫固定中检测出单克隆蛋白质的阴性.
结论:
- 重复的脏活检对于MPGN的形态和病因重新分类至关重要,大约一半和三分之一的患者分别受益.
- 较强的补体沉积可能与在连续活检中观察到的形态变化相关.
- 重复脏活检对于诊断MGRS至关重要,特别是在最初免疫固定结果为负的病例,指导向治疗.
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