Synchronous bilateral carcinoma of the ureter in association with unilateral incomplete duplication of the ureter.

A case of bilateral synchronous ureteral tumors, in association with a unilateral incomplete duplication of ureter, is presented. This patient underwent right nephroureterectomy with removal of a cuff of bladder, partial resection of left ureter, and ileal loop interposition between renal pelvis and bladder. Followup showed no recurrence in the residual urinary tract 2-years postoperatively.