多囊性肾细胞癌(MCRCC),也叫多囊性透明细胞肾细胞癌(RCC)和多囊性透明细胞癌,是一种预后较佳的少见的肾脏囊性肿瘤。2004年WHO肾肿瘤分类中将MCRCC作为透明细胞肾细胞癌的一种罕见亚型,其预后较佳。虽然文献报道囊性肾细胞癌比实体型透明细胞RCC预后好,但对于诊断MCRCC真正的 Polycystic kidney cell carcinoma (MCRCC), also called polycystic clear cell renal cell carcinoma (RCC) and polycystic clear cell carcinoma, is a rare, neoplastic renal cystic tumor with a better prognosis. In the 2004 WHO classification of renal tumors, MCRCC was used as a rare subtype of clear cell renal cell carcinoma with a better prognosis. Although reported in the literature of solid renal cell carcinoma than solid clear cell RCC prognosis is good, but for the diagnosis of MCRCC real