Colon carcinoma after ureterosigmoidostomy--a case report

Ureterosigmoidostomy was the method of choice for continent urinary diversion in cases of bladder exstrophy. The development of colonic cancer at the ureterocolic junction is one of the major complications in the late course of this procedure. The risk of large bowel carcinoma is increased 150-500-fold compared to the general population. Therefore regular examinations are mandatory. Based on a case report the problems associated with ureterosigmoidostomy are presented.