Medline: 8230519

Journal of Urology 150(6), 1860-1864, 1993.

Impact of transurethral resection on the long-term outcome of patients with prostatic carcinoma.

Zelefsky MJ, Whitmore WF, Leibel SA, et al.

Abstract:

Between March 1970 and December 1987, 1,078 patients with adenocarcinoma of the prostate were treated with pelvic lymph node dissection and permanent 125iodine implantation. Before implantation, 257 patients (27%) underwent transurethral resection of the prostate, while 702 (73%) did not and their diagnosis was established by needle biopsy. A total of 119 patients (10%) underwent hormonal therapy before implantation and they were excluded from the present analysis. Clinical stage and pathological grade were similar in both groups. A higher percentage of patients in the transurethral resection group had nodal metastases at implantation. Positive lymph nodes were found in 121 patients (47%) in the transurethral resection group versus 199 (26%) who did not undergo resection (p < 0.001). The actuarial 5, 10 and 15-year distant metastasis-free survival rates among the patients who underwent transurethral resection of the prostate were 79%, 42% and 16%, respectively, compared to 86%, 52% and 27%, respectively, in the group without transurethral resection (p < 0.0001). Similarly, the actuarial disease-free and local relapse-free survival rates were significantly inferior in the transurethral resection group. A negative impact of transurethral resection of the prostate could be demonstrated among patients with grade I/II tumors. However, when stratified for nodal status, no difference in outcome in any clinical parameter was noted between the groups with and without transurethral resection of the prostate. Specifically, distant metastasis-free survival among transurethral resection group patients with negative nodes was 78%, 57% and 47% at 5, 10 and 15 years, respectively, compared to 80%, 59% and 47%, respectively, among the patients with negative nodes who did not undergo transurethral resection of the prostate (p = 0.38). Similarly, the differences between the 2 groups among patients with positive lymph nodes were not significant. When stratified by the clinical stage, grade and nodal status, the negative impact of transurethral resection of the prostate could not be demonstrated in any combination. A multivariate analysis failed to demonstrate transurethral resection of the prostate to be an independent variable in predicting the metastatic, local control or disease-free survival outcome. In conclusion, the long-term results in these pathologically staged cases indicate that transurethral resection of the prostate does not impact negatively on the clinical outcome.


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