Significance of lateral biopsy specimens during transrectal ultrasound-guided prostate biopsies in Japanese men.

Significance of lateral biopsy specimens during transrectal ultrasound-guided prostate biopsies in Japanese men. Research Abstract Details 

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Significance of lateral biopsy specimens during transrectal ultrasound-guided prostate biopsies in Japanese men. Abstract Text:

Katsumi Shigemura,Soichi Arakawa,Kunito Yamanaka,Nobuo Kataoka,Keiji Yuien,Masato Fujisawa,Katsumi Shigemura,Soichi Arakawa,Kunito Yamanaka,Nobuo Kataoka,Keiji Yuien,Masato Fujisawa,

OBJECTIVES: Lateral biopsies are thought to have a better cancer detection rate compared with standard sextant biopsies. This study aimed to determine whether lateral peripheral zone biopsies in Japanese men who underwent transrectal ultrasound-guided prostate biopsies provided a significantly higher cancer detection rate than sextant biopsies. METHODS: Between 1999 and 2004, data were collected from 461 men who underwent prostate biopsy and had enough data regarding the performance of lateral biopsies for statistical analysis. There were two categories in this study: (i) patients who underwent sextant prostate biopsies; and (ii) patients who underwent sextant biopsies plus lateral biopsies. RESULTS: Prostate cancer was detected in 141 (30.6%) of 461 patients. It was detected in 24 (22.2%) of 108 patients who underwent sextant biopsies and 117 (33.1%) of 353 patients who underwent sextant plus lateral biopsies. Lateral biopsies were not associated with a statistically higher rate of positive biopsy findings; however, we found a significantly higher ratio of patients with positive findings in those with prostate specific antigen (PSA) levels 10 ng/mL (one of 71, 1.4%) among those who had positive cores only in lateral biopsy samples (P < 0.0001). CONCLUSIONS: Lateral biopsies did not show a significantly higher detection ratio of prostate cancer compared to sextant biopsies. However, lateral biopsies were more effective than sextant biopsies in patients with lower PSA levels. Our findings might be useful for the establishment of biopsy strategies to detect prostate cancer, especially in patients with lower PSA levels.

Significance of lateral biopsy specimens during transrectal ultrasound-guided prostate biopsies in Japanese men. Publishing Authors By Initials

K Shigemura,S Arakawa,K Yamanaka,N Kataoka,K Yuien,M Fujisawa,K Shigemura,S Arakawa,K Yamanaka,N Kataoka,K Yuien,M Fujisawa,

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Significance of lateral biopsy specimens during transrectal ultrasound-guided prostate biopsies in Japanese men. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: International journal of urology : official journa

VOLUME: 14

Page Numbers: 935-8

Journal Abbreviation: Int. J. Urol.

ISSN: 0919-8172

DAY: 20

MONTH: Oct

YEAR: 2007

Significance of lateral biopsy specimens during transrectal ultrasound-guided prostate biopsies in Japanese men. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Significance of lateral biopsy specimens during transrectal ultrasound-guided prostate biopsies in Japanese men.

AFFILIATION: Department of Urology, Nishiwaki Municipal Hospital, Nishiwaki, Japan.

Country: Australia

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MEDLINETA: Int J Urol

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