肾血管平滑肌脂肪瘤是一种良性肿瘤或称错构瘤。它是由于正常组织——纤维组织、脂肪血管和平滑肌组成。但在细胞排列、数量、成熟程度上存在异常,形成单个或多个结节,而没有器官形成的一种良性混合性肿瘤。1951年 Morgor 等称它为血管平滑肌脂肪瘤。目前本病在肝、脾、胰、甲状腺和胃肠道、脑、心等器官均有发现。它们起源 Renal vascular smooth muscle lipoma is a benign or hamartoma. It is due to normal tissue - fibrous tissue, fatty blood vessels and smooth muscle composition. However, there are abnormalities in the arrangement, number and maturity of cells, forming single or multiple nodules without a benign mixed tumor formed by organs. In 1951 Morgor called it angiomyolipoma. The current disease in the liver, spleen, pancreas, thyroid and gastrointestinal tract, brain, heart and other organs have been found. They originated