经皮穿刺B超导向肾盂造影是一种新的诊断技术,对中、重度肾积水的病因鉴别有较大的临床价值。近年来我们使用这种造影方法取得了较好的效果,报告如下。1　临床资料1.1　一般资料　1993年1月～1998年12月,我院收住72例肾盂积水患者,男54例,女18例。年龄最小33岁,最大58岁,... Percutaneous puncture B-guided pyelography is a new diagnostic technique, on the etiology of severe hydronephrosis have a greater clinical value. In recent years, we use this contrast method has achieved good results, the report is as follows. 1 Clinical data 1.1 General Information January 1993 ~ December 1998, our hospital received 72 cases of hydronephrosis, 54 males and 18 females. The youngest 33 years old, the oldest 58 years old, ...