患者男性 ,6 5岁。因发作性无痛性血尿 3个月入院。查体 :右肾区无压痛 ,叩击痛可疑 ,Ｂ超和ＣＴ检查显示 :右肾下极占位性病变。手术所见 :右肾约 10ｃｍ× 6ｃｍ× 4ｃｍ大小 ,肿物位于肾下极 ,质地较硬。病理检查　巨检 :切除肾脏一个并附有输尿管一段 ,肾脏体积 9ｃｍ× 6 Male patient, 65 years old. Due to the onset of painless hematuria 3 months admission. Physical examination: Right kidney area without tenderness, percussion pain suspicious, B-and CT examination showed: the right renal sub-maxillary lesions. Surgical findings: Right kidney about 10cm × 6cm × 4cm size, the tumor is located in the lower kidney, the texture is hard. Pathological examination of macroscopic examination: excision of the kidney and accompanied by a period of ureter, kidney volume 9cm × 6