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Does the narrow operating field in perineal radical prostatectomy lead to more positive surgical margins?
European Journal of Surgical Oncology 1998 August
AIMS: To assess the risk of leaving cancer-positive surgical margins in the perineal approach for radical prostatectomy as compared to the retropubic approach.
METHODS: Seventy-six patients with clinically organ-confined prostate cancer (stage T1-2 NoMo) underwent radical prostatectomy. The 57 patients who underwent retropubic prostatectomy were compared to 19 patients in whom the perineal approach was undertaken. The two groups were compared for pre-operative PSA levels, clinical stage, biopsy Gleasson score, and any correlation between pre- and post-operative stage and grade of the disease and rate of cancer-positive surgical margins.
RESULTS: Although there were no significant differences in the rate of organ-confined diseases and specimen Gleasson score in the two groups, the rate of positive surgical margins in the perineal approach was significantly lower (15.7 vs 29.8%) and the rate of extracapsular disease with negative margins was significantly higher (15.7 vs 7%).
CONCLUSIONS: The narrow surgical field in the perineal approach for radical prostatectomy does not pose a higher risk for positive surgical margins and it might be the procedure of choice in stage T1C prostate cancer with a Gleasson score of below 7.
METHODS: Seventy-six patients with clinically organ-confined prostate cancer (stage T1-2 NoMo) underwent radical prostatectomy. The 57 patients who underwent retropubic prostatectomy were compared to 19 patients in whom the perineal approach was undertaken. The two groups were compared for pre-operative PSA levels, clinical stage, biopsy Gleasson score, and any correlation between pre- and post-operative stage and grade of the disease and rate of cancer-positive surgical margins.
RESULTS: Although there were no significant differences in the rate of organ-confined diseases and specimen Gleasson score in the two groups, the rate of positive surgical margins in the perineal approach was significantly lower (15.7 vs 29.8%) and the rate of extracapsular disease with negative margins was significantly higher (15.7 vs 7%).
CONCLUSIONS: The narrow surgical field in the perineal approach for radical prostatectomy does not pose a higher risk for positive surgical margins and it might be the procedure of choice in stage T1C prostate cancer with a Gleasson score of below 7.
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