下腔静脉后输尿管２例郑杰下腔静脉后输尿管，是泌尿外科临床中较少见的一种变异。作者经治２例现报道如下：例１：男，２４岁，已婚。右腰部胀痛１年，低热１月入院。右肾区叩击痛（＋），尿化验白细胞。Ｂ超示右肾积水，上段输尿管扩张。逆行肾盂造影见（附图１）。在硬... Inferior vena cava 2 cases Zheng Jie inferior vena cava ureter is a less common clinical urology mutation. The author of 2 cases are reported as follows: Example 1: Male, 24 years old, married. Right lower back pain for 1 year, low fever January admission. Right kidney area percussion pain (+), urine test white blood cells. B ultrasound showed right hydronephrosis, the upper ureteral dilatation. Retrograde pyelography see (Figure 1). In the hard ...