[Ureteroiliac fistula as a complication of ureterorenoscopy]

Although complications post-URS are scant and can usually be resolved by conservative methods, these however, may be potentially severe as in the present case in whom a ureteroiliac fistula was observed during a URS procedure that had been performed to dilate a post-URS stenosis. Previously, extravasation had also occurred. The post-URS complications are briefly described and discussed.