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J Urol. 2003 Nov;170(5):1761-4.

Carcinoma in a bladder diverticulum: presentation and treatment outcome.

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Department of Urology, Memorial Sloan-Kettering Cancer Center, New York, NY, USA.



In this retrospective review we characterize the outcomes of patients treated for transitional cell carcinoma in a bladder diverticulum.


Between 1986 and 2001, 39 patients were treated for tumors in a bladder diverticulum. All patients underwent initial transurethral resection of the tumor. Based on cystoscopic evaluation, bimanual examination and computerized tomography findings, tumors were classified as superficial (Ta, Tis), superficially invasive confined to diverticulum (T1) or extra diverticular (T3+). Patients with superficial or superficially invasive disease were treated either conservatively with repeat transurethral resection, or with partial or radical cystectomy. Patients with extra diverticular extension were treated with partial or radical cystectomy when amenable to surgical extirpation. Predictors of outcome were assessed by univariate and multivariate analyses. End point was overall and disease-specific survival.


Of our cohort of 39 patients 13 (33%) presented with superficial disease, 13 (33%) with superficially invasive tumors and 13 (33%) with invasive (extra diverticular) disease. Actuarial 5-year disease specific survival for the cohort was 72 +/- 5.4%. Significant differences in 5-year disease specific survival were observed among patients presenting with superficial tumors (83 +/- 9%), superficially invasive tumors (67 +/- 7%) and extra diverticular disease (45 +/- 14%). Of the patients presenting with T1 tumors the primary mode of treatment did not correlate with outcome. In a multivariate model clinical staging was the only independent predictor of outcome and concomitant carcinoma in situ reached borderline significance.


Our data support a conservative approach for tumors confined to the bladder diverticulum, provided complete removal is feasible and close surveillance ensues.

[Indexed for MEDLINE]

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