Objective: To evaluate the experession of Collagen type IV in hydronephrotic kidneys and its clinical implications.

研究IV型胶原在肾积水达及意义，并探讨其沈积与小管质纤维化程度相关性。

The dilated ectopic ureters draining the bilateral hydronephrotic upper renal segments issued into vaginal vestibule and caused urinary incontinence.

其百十四可发现有两侧输尿管重复现象。