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ORIGINAL ARTICLE
Year : 2019  |  Volume : 15  |  Issue : 2  |  Page : 380-385

Evaluation of 24-core coaxial needle saturation biopsy of the prostate by the transperineal approach in detecting prostate cancer in patients without previous biopsy history: A single-center report


Department of Urology, Beijing Friendship Hospital, Capital Medical University, Beijing, China

Correspondence Address:
Dr. Qiang Shao
Department of Urology, Beijing Friendship Hospital, Capital Medical University, No. 95, Yong'an Road, Xicheng District, Beijing 100050
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jcrt.JCRT_384_18

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Background: The value of saturation prostate biopsy (SPBx) in patients without biopsy history remains controversial. Materials and Methods: A total of 644 consecutive suspected prostate cancer (PCa) cases without biopsy history were retrospectively grouped as 24-core transperineal SPBx (n = 368) guided by coaxial needle and prostate transperineal biopsy (PBx) (systematic 14-core scheme, n = 276). PCa detection rates were compared based on prostate-specific antigen (PSA) levels, PSA density (PSAD), and Gleason scores. Complications associated with those procedures were assessed. Results: Coaxial SPBx was superior to the 14-core scheme for overall PCa detection rates (39.67% vs. 24.64%), at PSA levels of 4.1–10.0 ng/ml (37.37% vs. 23.48%) or 10.1–20.0 ng/ml (43.31% vs. 27.21%), and PSAD <0.15 (47.80% vs. 29.23%) or 0.15–0.24 (34.07% vs. 20.93%) (all P < 0.05). In patients with positive biopsy, the rates of nonclinically significant PCa were comparable between the two biopsy groups. Conclusions: Transperineal coaxial needle SPBx as the initial scheme improves PCa detection compared with initial systematic 14-core PBx, without increasing complications and overdiagnosis.


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