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학술저널
저자정보
정재훈 (성균관대학교) Jiwoong Yu (Sungkyunkwan University School of Medicine) Wan Song (Sungkyunkwan University School of Medicine) 강민용 (성균관대학교) 성현환 (성균관대학교) 전황균 (성균관대학교) Byong Chang Jeong (Sungkyunkwan University School of Medicine) 서성일 (성균관대학교) 이현무 (성균관대학교) 전성수 (삼성서울병원)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.35 No.41
발행연도
2020.1
수록면
1 - 9 (9page)

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Background: To evaluate the strategy for detection of prostate cancer (PCa) with low prostate specific antigen (PSA) level (2.5–4.0 ng/mL), prostate biopsy patients with low PSA were assessed. We evaluated the risk of low PSA PCa and the strategy for screening low-PSA patients. Methods: We retrospectively analyzed the patients who underwent prostate biopsy with low PSA level. Baseline characteristics, PSA level before prostate biopsy, prostate volume, prostate specific antigen density (PSAD), and pathological data were assessed. Results: Among the 1986 patients, 24.97% were diagnosed with PCa. The PSAD was 0.12 ± 0.04 ng/mL2 in the PCa-diagnosed group and 0.10 ± 0.04 ng/mL2 in non-cancer-diagnosed group (P < 0.001). Of the 496 patients diagnosed with PCa, 302 (60.89%) were in the intermediate- or high-risk group. PSAD was 0.13 ± 0.04 ng/mL2 in the intermediate- or high- risk group and 0.11 ± 0.03 ng/mL2 in the very low- and low-risk group (P < 0.001). Of 330 patients who underwent radical prostatectomy, 85.15% were diagnosed as having significant cancer. There was significant correlation between PSAD and PCa (r = 0.294, P < 0.001). PSAD with a specificity of 80.00% of a clinically significant cancer diagnosis was assessed at 0.1226 ng/mL2 . Conclusion: The PCa detection rate in the low-PSA group was not lower than that of previous studies of patients with PSA from 4.0 to 10.0 ng/mL. Further, it may be helpful to define a strategy for PCa detection using PSAD in the low-PSA group.

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