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在一个72岁的B细胞慢性淋巴细胞白血病和IgG Lambda Paraprotein的患者中,慢性淋巴细胞微血管病变

László Bitó¹, Timea Gurbity Pálfi¹, Krisztina Jost²

¹Department of Internal Medicine, Albert Szent-Györgyi Medical School, University of Szeged, 6722 Szeged, Hungary.

International journal of molecular sciences

|November 13, 2025

概括

一名患有B细胞慢性淋巴细胞白血病的患者因血栓性微血管病症而发展出脏综合征和脏疾病,可能是由类蛋白引起的. 使用易布鲁替尼治疗改善了功能.

科学领域:

腎臟病學 (nephrology) 是一種醫學專業.
血液学血液学血液学
免疫学免疫学免疫学

背景情况:

一名72岁的男性患有B细胞慢性淋巴细胞白血病 (B-CLL),呈现了性综合征和高血压.
进行脏活检以调查功能障碍的原因.

研究的目的:

为了调查B细胞慢性淋巴细胞白血病患者的性性综合征和高血压的原因.
在此背景下,阐明病理生理机制,以此为基础的球异常和血栓微血管病变 (TMA).

主要方法:

脏活检与组织学,免疫组织化学和电子显微镜检查.
功能补充试验用于评估经典和替代途径激活.
对补充C2基因变异进行遗传查.
临床监测功能和B-CLL进展情况.

主要成果:

组织学揭示了慢性质血栓性微血管病变 (TMA) 与双轮毛细血管,质血栓和间歇性B-CLL透.
免疫组织化学显示非特异性IgM,C3捕获和伪线性C4d阳性,表明质毛细血管壁重塑.
电子显微镜证明了擦除的脚过程,扩大/重复的球底膜,中间置,和加厚的内皮细胞.
功能性测试表明选择性的经典补充路径激活和早期组件的消耗,没有其他路径参与.
没有发现引起疾病的C2基因变异.
功能在六个月内恶化至4期CKD.
伊布鲁替尼治疗改善了病综合征和功能,同时降低了白血病症状和副蛋白质的产生.

结论:

患者的淋巴细胞异常和TMA很可能是由作为毒媒介的副蛋白引发的.
补充剂的帕拉内瘤经典通路激活似乎没有在质TMA的发展中发挥作用.
易布鲁替尼治疗在治疗血液性恶性瘤和相关的病理方面表现出有效性.

关键词:

在 CLL CLL 中.这就是TMAMA的意义.慢性淋巴细胞白血病慢性淋巴细胞白血病补充的经典途径补充的经典途径.淋巴细胞疾病是什么?脏活组织检查一个单克隆的IgG羊羔.具有性意义的单克隆性胃病变.鼻性综合征是什么意思血栓性微血管病变 - - 血栓性微血管病变

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