患者男,34岁,主因无痛性肉眼血尿1天于2012年12月7日入院。入院前1年健康体检无明显异常。入院查体未见阳性体征。CT平扫显示右侧输尿管下段有占位性病变,并右肾、输尿管积水(图1A、B);增强CT显示右侧输尿管下段有占位性病变,轻度强化,长约7cm,最宽部约2.1cm(图1C),考虑为新生物。膀胱镜检查未发现异常。3次尿脱落细胞学检查仅见炎细胞。肾动态显像显示右肾功能严重受损,左肾正常;全身骨扫 Male patient, 34 years old, mainly due to painless gross hematuria one day in December 7, 2012 admission. One year before admission, no obvious abnormal physical examination. Admission examination showed no positive signs. CT plain scan showed the right lower ureter with space-occupying lesions, and the right kidney and ureter hydronephrosis (Figure 1A, B); enhanced CT showed that the lower right ureter with space-occupying lesions, slightly enhanced, about 7cm, the most Wax about 2.1cm (Figure 1C), considered as a new creature. Cystoscopy found no abnormalities. 3 times urinary cytology showed only inflammatory cells. Dynamic renal imaging showed severe right renal dysfunction, normal left kidney; whole body bone scan