Urinary diversion after cystectomy: cutaneous ureterostomy: 29/131 cases (22.1%); extracorporeal ileal conduit urinary diversion: 37/131 cases (28.2%); extracorporeal orthotopic neobladder (Hautmann): 44/131 cases (33.6%); intracorporeal orthotopic neobladder (Gaston): 21 / 131 cases (16%).