There is a lack of data on true long term functional outcome of orthotopic bladder substitution. The primary objective was, to report our 35 year clinical experience.

Since October 1985 259 male patients from a large single center radical cystectomy series with complete follow up of >60 months (median 121, range 60-267) without recurrence, irradiation or undiversion, that might have affected the functional outcome, were included.

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