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KMID : 0358320120530120826
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Korean Journal of Urology
2012 Volume.53 No. 12 p.826 ~ p.829
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Biochemical Recurrence in Gleason Score 7 Prostate Cancer in Korean Men: Significance of the Primary Gleason Grade
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Ro Yun-Kwan
Lee Sang-Chul
Jeong Chang-Wook
Hong Sung-Kyu
Byun Seok-Soo
Lee Sang-Eun
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Abstract
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Purpose: To evaluate the impact of primary Gleason grade in Gleason score (GS) 7 prostate cancer on biochemical recurrence (BCR) after radical prostatectomy in Korean men.
Materials and Methods: We retrospectively reviewed records of 1,026 patients who underwent radical prostatectomy at Seoul National University Bundang Hospital between November 2003 and June 2009. We excluded patients who had received neoadjuvant therapy and had positive resection margins. Finally, 295 and 113 patients with GS 3+4 and GS 4+3, respectively, were included in this study. All patients were followed for at least 2 years.
Results: Of the 408 GS 7 patients, 295 (72.3%) were 3+4 and 113 (27.7%) were 4+3. Mean serum prostate specific antigen level in primary Gleason 3 was 8.99 ng/ml and primary Gleason 4 was 11.11 ng/ml. Patients with GS 4+3 were more likely to have extracapsular extension (30.1% vs. 17.6%, p<0.010) and lymphatic invasion (16.8% vs. 7.1%, p<0.005). After 2 years follow up BCR was detected in a total of 40 patients. In GS 7 with primary Gleason 3, BCR occurred in 15 (5.08%) patients while 20 (17.70%) showed BCR in GS 7 with primary Gleason 4.
Conclusions: In this study of a large, single center cohort of Korean men with GS 7 prostate cancer a noticeable difference in BCR was seen. Primary Gleason grade 4 have a higher risk of BCR compared to primary Gleason grade 3. This information may be useful when counseling patients on their prognosis and further management options.
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KEYWORD
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Biopsy, Prostate, Prostatectomy
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