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

其中百分之二十四可发现有两管重复现象。

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

研究IV型胶在肾积水中的表达及，探讨其沈积与小管间质纤维化程度的相关性。