肾血管平滑肌脂肪瘤是一种发生于肾脏,由血管、平滑肌、脂肪三种成份组成的良性肿瘤,可以伴有或者不伴有结节性硬化性综合征。这是一种比较罕见的肿瘤,由于其细胞丰富并有一定程度的异型性,在病理上常易误诊为平滑肌肉瘤或脂肪肉瘤,或疑有 Renal vascular smooth muscle lipoma is a benign tumor that occurs in the kidney and consists of three components, vascular, smooth muscle and fat, with or without tuberous sclerosis syndrome. This is a relatively rare tumor, due to its rich cells and a certain degree of atypia, often misdiagnosed as pathological leiomyosarcoma or liposarcoma, or suspected