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[Orthotopic bladder substitution].

Orthotopic bladder substitution is the most desired form of urinary diversion because the patient can restore normal voiding after cystectomy. However, urethral recurrence must be seriously considered and the patients with a risk of urethral recurrence are not indicated. Each method of bladder substitution has merits and demerits. We compared the Mainz method and the Studer method of orthotopic bladder substitution we performed on 8 and 11 patients, respectively since 1992. The Studer orthotopic ileal bladder substitution has given better results with better voiding pattern and less complication rates. We consider the Studer ileal bladder substitution as a good technique to restore normal voiding after cystectomy.