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RISS 인기검색어
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- 저자 : 강민용(Min Yong Kang) (검색결과 2 건)
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정현우(Hyunwoo Chung),송완(Wan Song),유재호(Jae Ho Yoo),강민용(Min Yong Kang),전황균(Hwang Gyun Jeon),정병창(Byong Chang Jeong),서성일(Seong Il Seo),전성수(Seong Soo Jeon),최한용(Han Yong Choi),김찬교(Chan Kyo Kim),박병관(Byung Kwan 대한비뇨기종양학회 2017 대한비뇨기종양학회지 Vol.15 No.2
Purpose: We compared biopsy results and surgical outcomes of magnetic resonance imaging (MRI)-guided biopsy with transrectal ultrasonography (TRUS)-guided biopsy to demonstrate efficacy of MRI-guided biopsy on previous biopsy negative patients. Materials and Methods: We retrospectively reviewed data of 120 patients who were categorized into MRI-guided biopsy groups (n=20) and TRUS-guided biopsy groups (n=100). All patients were diagnosed with prostate cancer (PCa) and had undergone radical prostatectomy (RP) after MRI-guided or TRUS-guided repeat biopsy between January 2010 and March 2016. Detection rate of significant cancer and Gleason score upgrading and downgrading were examined, in addition to biopsy results and subsequent RP outcomes. Results: Median values for prostate-specific antigen level of the TRUS-guided biopsy group and the MRI-guided biopsy group were 6.67 and 5.86 ng/mL (p=0.303), respectively. Median prostate volume of each group (34.1 mL vs. 23.5 mL, p=0.007), number of positive cores (2.0 vs. 3.0, p=0.001) and maximum cancer/core rate (30.0% vs. 60.0%, p<0.001) were statistically different. Positive core rates of each group were 21.9% and 87.1%, respectively. Pathologic T stage was the only variable that showed difference in surgical outcomes (p=0.002). Most of PCa was confirmed as clinically significant PCa after RP in MRI-guided biopsy group (95%). Conclusions: MRI-guided biopsy showed higher positive core rate and detection rate of clinically significant PCa than TRUS-guided biopsy in repeat biopsy setting. Prospective multicenter large-scale study and accumulation of data is expected to further define superiority of the MRI-guided biopsy.
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고등급 전립선암에서의 근치적 전립선 절제술 시행 후 병리학적 등급 하향의 발생률과 치료 성적
나준필(Jun Phil Na),유재호(Jae Ho Yoo),김태헌(Tae Heon Kim),강민용(Min Yong Kang),성현환(Hyun Hwan Sung),전황균(Hwang Gyun Jeon),정병창(Byong Chang Jeong),서성일(Seong Il Seo),이현무(Hyun Moo Lee),최한용(Han Yong Choi),전성수(Seong S 대한비뇨기종양학회 2017 대한비뇨기종양학회지 Vol.15 No.2
Purpose: High Gleason score (8 to 10) is a poor prognostic factor regardless of treatment. Pathological downgrading sometimes occurs in high grade prostate cancer. The aim of this study is to evaluate treatment outcomes in patients with high grade prostate cancer on biopsy who were pathological downgrading after radical prostatectomy (RP). The impact on outcomes according to changes in the Gleason score after RP was evaluated. Materials and Methods: Of 3,236 men who underwent RP between September 1995 and December 2014, 541 patients with biopsy Gleason score 8 to 10 were retrospectively reviewed. We analyzed incidence and biochemical recurrence (BCR) free probability in this downgraded group according to the Gleason grade of cancer in the RP specimen. Results: Of 541 patients had a prostate biopsy Gleason score of 8 to 10. Two hundred ten patients showed pathological downgrading after RP (38.8%). Five-year BCR-free probability of patients who had Gleason score of 7 or less after RP was 46.8%. However, 5-year BCR-free probability of patients who remained Gleason scores 8 to 10 after RP was 28.5%. There was a significantly higher BCR-free probability in pathological downgrading group (p<0.001). On multivariate analysis, biopsy Gleason 8, lower PSA, clinical T2 stage was a significant predictor of downgrading. Conclusions: In this study, 38.8% of patients with high grade prostate cancer had a Gleason score of 7 or less in the RP specimen. Downgraded prostate cancer had more favorable treatment outcome. Serum PSA, clinical stage and biopsy Gleason score were the predictive factors for pathological downgrading.
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