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KMID : 0358320070480101004
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Korean Journal of Urology
2007 Volume.48 No. 10 p.1004 ~ p.1009
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The Relationship of Prostate Volume and the Grade of Prostate Cancer
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Yu Ji-Hyeong
Lee Jeong-Woo
Chang In-Ho
Han Jun-Hyun
Han Byoung-Kyu
Jeong Seong-Jin
Hong Sung-Kyu
Byun Seok-Soo
Choe Ghee-Young
Lee Sang-Eun
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Abstract
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Purpose: A prostate cancer prevention trial has demonstrated a higher incidence of high-grade prostate cancers(HGPC, Gleason pattern 4 or greater) among men randomized to receive treatment with finasteride. One of the hypotheses was finasteride causes a detection bias with regards to HGPC by reducing the prostate volume. We investigated the relationship between prostate volume and HGPC in prostate biopsy specimens and prostatectomy specimens(RP) from the same patients.
Materials and methods: We retrospectively reviewed a cohort of 173 consecutive patients that underwent a radical prostatectomy. We identified risk factors for HGPC on 12 core needle biopsies and then on RP specimens using univariate and multivariate logistic regression analysis. In transrectal ultrasound(TRUS) volume quartiles, the relationship of HGPC and prostate volume was analyzed between the lowest and the highest quartile.
Results:By multivariate analysis, risk factors of HGPC were age and prostate-specific antigen(PSA), but TRUS volume was not associated with HGPC in both biopsy and RP specimens. In TRUS volume quartiles, the relationship of HGPC and prostate volume was not significant. In addition, in a comparison of the lowest and the highest quartile, the relationship of HGPC and prostate volume was not significant.
Conclusions:Prostate volume may not be significantly associated with the grade of prostate cancers diagnosed at 12 core(or more) needle biopsies and at a radical prostatectomy. (Korean J Urol 2007;48:1004-1009)
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KEYWORD
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Prostate, Prostatic neoplasms, Biopsy, Needle
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