输尿管从下腔静脉的背后绕至其内侧,再从前方回到正常路线,而下行达膀胱时,称为腔静脉后输尿管(Retrocavalureter)为少见病例。现将我们收治的一例报道如下。患者,男,40岁,住院号442403。患者因无痛性间歇性肉眼血尿四月余,伴腰酸乏力,劳累后症 Retrocaval ureter (Retrocaval ureter) is a rare case when the ureter is wound around the back of the inferior vena cava and then back to the normal line from the front. Now we have a report treated as follows. Patient, male, 40 years old, hospital number 442403. Patients due to painless intermittent gross hematuria more than four months, with backache fatigue, tired after symptoms