Introduction. To determine the efficacy of bipolar transurethral incision with mitomycin C (MMC) injection for the treatment\nof refractory bladder neck stenosis (BNS). Materials and Methods. Patients who underwent bipolar transurethral incision of BNS\n(TUI BNS) with MM Cinjection at our institution from2013 to 2014 were retrospectively reviewed.A total of 2mg of 40% mitomycin\nC solution was injected in four quadrants of the treated BNS. Treatment failure was defined as the need for subsequent intervention.\nResults. Thirteen patients underwent 17 bipolar TU IBNS with MMC injection. Twelve (92%) patients had failed a mean of 2.2 Ã?±\n1.1 prior endoscopic procedures. Median follow-up was 16.5 months (IQR: 14ââ?¬â??18.4 months). Initial success was 62%; five (38%)\npatients had a recurrence with a median time to recurrence of 7.3 months. Four patients underwent a repeat procedure, 2 (50%)\nof which failed. Overall success was achieved in 77% (10/13) of patients after a mean of 1.3 Ã?± 0.5 procedures. BNS recurrence was\nnot significantly associated with history of pelvic radiation (33% versus 43%,
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