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该文报道2例肝癌和卵巢癌患者在使用抗血管内皮生长因子（vascular endothelial growth factor，VEGF）类药物治疗过程中出现蛋白尿的病例。一例肝癌患者在使用特瑞普利单抗/卡瑞利珠单抗联合仑伐替尼、瑞戈非尼等抗VEGF类药物过程中出现高血压、大量蛋白尿、肾功能不全，24 h尿蛋白量为4.02 g。另1例卵巢癌患者在使用贝伐珠单抗过程中出现高血压、蛋白尿，24 h尿蛋白量为1.13 g。两例患者肾活检均提示肾小球呈血栓性微血管病样改变，考虑抗VEGF类药物相关性肾小球微血管病。肝癌患者在仑伐替尼药物剂量减半后病情无缓解，使用小剂量糖皮质激素联合肾素-血管紧张素-醛固酮系统抑制剂治疗后效果不佳。两例患者均在停用抗VEGF类药物后尿蛋白转阴。

This article reports two cases of proteinuria caused by anti-vascular endothelial growth factor (VEGF) drugs in the treatment of liver cancer and ovarian cancer, respectively. Hypertension, massive albuminuria and renal insufficiency occurred in the patient with liver cancer during the use of toripalimab/camrelizumab combined with lenvatinib and regorafenib, and urinary protein was 4.02 g/24 h. The patient with ovarian cancer developed hypertension, proteinuria and 1.13 g/24 h urinary protein during the use of bevacizumab. Renal biopsy showed thrombotic microangiopathy in the glomeruli of both patients. Anti-VEGF drugs-associated glomerular microangiopathy was considered. The patient with liver cancer had no improvement after halving the dose of lenvatinib, and the effect was not good after treatment with low-dose corticosteroids combined with renin-angiotensin-aldosterone system inhibitors. After stopping anti-VEGF drugs, the proteinuria in both patients turned negative.