Objective: The study aimed to evaluate the impact of the different types of prostate involvement at the time of radical cystoprostatectomy (RCP). Methods: Data from 893 male patients treated with RCP at a referral center for bladder cancer (BCa) were assessed. Prostatic urothelial carcinoma (PUC) was stratified as stromal vs. urethral/duct involvements. Multivariable Cox regression analyses were built to test the impact of the presence of incidental prostate cancer (PCa) and PUC on survival outcomes. Results: PCa was present in 319 (35.7%) RCP patients, of which 45 (14.1%) had significant PCa disease. PUC was identified in 181 patients (20%): 75 (41.1%) with urethral/duct involvement and 106 (58.6%) with stromal. Within a median follow-up of 72 months, stromal PUC, but not the other forms of PUC or PCa, was associated with worse survival outcomes. In multivariable analyses adjusted for the effects of standard features, stromal PUC remained associated with recurrence (hazards ratio [HR] 2.01, p = 0.03), cancer-specific mortality (HR 1.65, p = 0.01), and overall mortality (HR 1.45, p = 0.03). Conclusion: Prostatic stromal invasion with urothelial carcinoma confers a poor survival expectation to BCa patients after surgical treatment. Conversely, other type of urothelial prostatic invasions or the presence of concomitant PCa does not seem to be associated with differences in survival outcomes.

Impact of Prostate Involvement on Outcomes in Patients Treated with Radical Cystoprostatectomy for Bladder Cancer

Gandaglia, Giorgio;Salonia, Andrea;Montorsi, Francesco;Briganti, Alberto;
2017-01-01

Abstract

Objective: The study aimed to evaluate the impact of the different types of prostate involvement at the time of radical cystoprostatectomy (RCP). Methods: Data from 893 male patients treated with RCP at a referral center for bladder cancer (BCa) were assessed. Prostatic urothelial carcinoma (PUC) was stratified as stromal vs. urethral/duct involvements. Multivariable Cox regression analyses were built to test the impact of the presence of incidental prostate cancer (PCa) and PUC on survival outcomes. Results: PCa was present in 319 (35.7%) RCP patients, of which 45 (14.1%) had significant PCa disease. PUC was identified in 181 patients (20%): 75 (41.1%) with urethral/duct involvement and 106 (58.6%) with stromal. Within a median follow-up of 72 months, stromal PUC, but not the other forms of PUC or PCa, was associated with worse survival outcomes. In multivariable analyses adjusted for the effects of standard features, stromal PUC remained associated with recurrence (hazards ratio [HR] 2.01, p = 0.03), cancer-specific mortality (HR 1.65, p = 0.01), and overall mortality (HR 1.45, p = 0.03). Conclusion: Prostatic stromal invasion with urothelial carcinoma confers a poor survival expectation to BCa patients after surgical treatment. Conversely, other type of urothelial prostatic invasions or the presence of concomitant PCa does not seem to be associated with differences in survival outcomes.
2017
Bladder cancer; Incidental; Prostate cancer; Radical cystectomy; Aged; Cystectomy; Follow-Up Studies; Humans; Male; Middle Aged; Multivariate Analysis; Neoplasm Recurrence, Local; Postoperative Period; Proportional Hazards Models; Prostate; Prostatectomy; Prostatic Neoplasms; Regression Analysis; Treatment Outcome; Urinary Bladder Neoplasms; Urothelium; Urology
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11768/75931
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