以平滑肌细胞为主的血管平滑肌脂肪瘤:表达黑色素和肌样标志物;
以平滑肌样细胞为主的混合性上皮间质肿瘤:绝大多数发生于围绝经期女性,间质细胞弥漫表达ER和PR;
肾脏神经束膜瘤:非常罕见,瘤细胞表达EMA不表达S100和SOX10;
梭形细胞肉瘤样癌:可见于肾细胞癌或尿路上皮癌,免疫组化染色至少局灶表达上皮标志物,S100一般阴性;
Alvarado-Cabrero I, Folpe AL, Srigley JR, et al. Intrarenal schwannoma: a report of four cases including three cellular variants. Mod Pathol 2000;13: 851–856.
Stefano Gobbo, John N Eble, Jiaoti Huang, David J Grignon, Mingsheng Wang, Guido Martignoni, Matteo Brunelli and Liang Cheng. Schwannoma of the Kidney. Modern Pathology 2008; 21:779–783