Intravesical migration of AMS 800 artificial urinary sphincter and stone formation in a patient who underwent radical prostatectomy

A patient who underwent placement of AMS 800 urinary sphincter for incontin ence after salvage prostatectomy after radiation therapy failure, experienc ed urethral erosion of the cuff after 54 months. He was treated with cuff r emoval and prosthesis deactivation. Thirteen months later, a large bladder stone was removed transvesically, and it contained the reservoir. The remai ning sphincter components were also removed, Patients with previous radioth erapy are particularly at risk for sphincter erosion, but intravesical disp lacement of the reservoir is a very uncommon complication. Copyright (C) 20 00 S. Karger AG, Basel.