肿瘤转移至肿瘤是十分罕见的现象,由Berent~([1])在1902年首次报道,目前国内外文献报道<200例,肺腺癌是最常见的转移瘤,约占全部转移瘤的40%~50%,容纳瘤最常见的是肾透明细胞癌,肾血管平滑肌脂肪瘤作为容纳瘤罕有报道,本文介绍1例,并复习相关文献。1材料与方法 Tumor metastasis to the tumor is a very rare phenomenon, first reported by Berent ~ ([1]) in 1902, the current domestic and foreign literature reports <200 cases of lung adenocarcinoma is the most common metastases, accounting for about 40% of all metastases % ~ 50%, to accommodate the most common tumor is clear renal cell carcinoma, renal angiomyolipoma as a rare inclusion of tumor, this article describes 1 case, and review the relevant literature. 1 materials and methods