肾细胞癌是最难预言的恶性肿瘤之一。本文介绍了目前肾细胞癌的分期与临床处理,以及尿路造影、超声、CT、MRI与血管造影等影像学方法对肾癌分期的意义。强调随新的普查方法的开展,小肾癌会越来越多地被发现,Ⅰ～Ⅱ期肿瘤术前鉴别诊断将对临床产生越来越重要的意义。 Renal cell carcinoma is one of the most difficult to predict malignant tumors. This article describes the current staging and clinical management of renal cell carcinoma, as well as urography, ultrasound, CT, MRI and angiography and other imaging methods on the significance of stage of renal cell carcinoma. Emphasize that with the new census method carried out, small kidney cancer will be more and more found, Ⅰ ~ Ⅱ tumor preoperative differential diagnosis will have an increasingly important clinical significance.