Background: The aim of this study was to examine the histological outcome and potential therapeutic benefit of second transurethral resection (TUR) for high-grade T1 bladder cancer.
Patients And Methods: The subjects were 171 patients who underwent initial TUR between January 1993 and December 2013, and were diagnosed with high-grade T1 bladder cancer. Second TUR was performed within 4-6 weeks after the initial resection. Intravesical recurrence, invasive intravesical recurrence, and disease-free, progression-free, and overall survival were examined between second TUR group and no second TUR group.
Results: Of the 171 patients, 79 (46.2%) underwent second TUR. Histological findings from second TUR were no cancer in 33 (41.8%), carcinoma in situ in 18 (22.9%), Ta in 15 (19.0%), T1 in 12 (15.2%), and muscle invasive bladder cancer (T2) in 1 case (1.3%). The 5- and 10-year intravesical recurrence-free survival rates were 72.0% and 57.4%, respectively, and the disease-free survival rates at these times were 69.7% and 49.6%, respectively. Second TUR had no influence on intravesical recurrence, regardless of the use of Bacillus Calmette-Guerin (BCG) therapy. No BCG therapy and recurrent cancer were significantly associated with intravesical recurrence in multivariate analysis. Recurrent cancer was also a significant risk factor for invasive intravesical recurrence. BCG therapy significantly improved disease-free survival. Second TUR was a significant factor in overall survival. In the histological results for second TUR, no cancer and Tis cases had reduced intravesical recurrence compared to Ta and T1 cases.
Conclusion: Second TUR allows more accurate staging and pT0 cases in second TUR have a better outcome, indicating a possible therapeutic benefit of the procedure.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4719498 | PMC |
| http://dx.doi.org/10.4103/0974-7796.163798 | DOI Listing |
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