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- W2011203726 abstract "The presence of a positive surgical margin (PSM) at radical prostatectomy (RP) has been linked to an increased risk of biochemical recurrence and receipt of secondary therapy; however, its association with other oncologic end points remains controversial.To evaluate the association of primary Gleason grade (GG) at the site of PSM with subsequent clinical progression and mortality among patients with Gleason score (GS) 7 prostate cancer (PCa).We identified 1036 patients who underwent RP between 1996 and 2002. A single uropathologist re-reviewed all specimens noted to have a PSM to record GG at the margin.Survival was estimated using the Kaplan-Meier method. Cox models were used to analyze the association of margin primary GG with outcome.Overall, 338 men (33%) had a PSM; of those, 242 had PSM GG3 and 96 had PSM GG4. Median postoperative follow-up was 13 yr. Compared with men with PSM GG3 or a negative SM, we noted that men with PSM GG4 had significantly worse 15-yr systemic progression-free survival (74% vs. 90% vs. 93%, respectively; p<0.001) and cancer-specific survival (86% vs. 96% vs. 97%, respectively; p=0.002). On multivariable analysis, the presence of PSM GG4 was associated with increased risks of systemic progression (hazard ratio [HR]: 2.77; p=0.003) and death from PCa (HR: 3.93; p=0.02) among men with a PSM. Limitations include the relatively small rate of disease recurrence.PSM primary GG4 was independently associated with adverse oncologic outcomes among men with GS7 PCa. Pending external validation, GG at the PSM may be considered for inclusion in pathologic reports and risk stratification following RP.Among patients with Gleason grade 7 prostate cancer and a positive surgical margin at the time of prostatectomy, we found that higher Gleason grade at the margin was associated with worse oncologic outcomes." @default.
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- W2011203726 date "2014-12-01" @default.
- W2011203726 modified "2023-09-25" @default.
- W2011203726 title "Primary Gleason Grade 4 at the Positive Margin Is Associated with Metastasis and Death Among Patients with Gleason 7 Prostate Cancer Undergoing Radical Prostatectomy" @default.
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- W2011203726 doi "https://doi.org/10.1016/j.eururo.2014.07.004" @default.
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