Optimizing Prostate Cancer Diagnosis: A Prospective, Randomized Comparison of 12-core vs. 20-core Biopsy for Detection Accuracy and Upgrading Risk

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dc.authoridBaba, Dursun/0000-0002-4779-6777
dc.contributor.authorBaba, Dursun
dc.contributor.authorCoban, Soner
dc.contributor.authorCaliskan, Ahmet
dc.contributor.authorSenoglu, Yusuf
dc.contributor.authorKayikci, Muhammet Ali
dc.contributor.authorTekin, Ali
dc.date.accessioned2025-10-11T20:47:38Z
dc.date.available2025-10-11T20:47:38Z
dc.date.issued2025
dc.departmentDüzce Üniversitesien_US
dc.description.abstractObjective: This study compares the diagnostic efficacy of 12-core and 20-core transrectal ultrasound (TRUS)-guided prostate biopsy protocols in detecting prostate cancer (PCa) and evaluates the clinical significance of extended biopsy protocols. Materials and Methods: A prospective, randomized, single-center study was conducted with 511 patients who underwent TRUS-guided prostate biopsy for suspected PCa. Patients were randomly assigned to either a 12-core biopsy group (n=248) or a 20-core biopsy group (n=263). The primary endpoint was the cancer detection rate, while secondary endpoints included clinically significant cancer detection [International Association of Urological Pathology (ISUP) grade >= 2], biopsy-pathology correlation, upgrade rates, and complication assessment. Results: The 20-core biopsy group had a significantly higher cancer detection rate (39.2%) compared to the 12-core group (28.6%). However, clinically significant cancer detection rates were similar between the groups. The 20-core protocol reduced the likelihood of ISUP grade 1 cancer being upgraded after radical prostatectomy, improving diagnostic accuracy. A strong correlation was observed between tumor burden in biopsy and radical prostatectomy specimens. Prostate-specific antigen density analysis identified an optimal cutoff value of 0.1058, providing 66.1% diagnostic accuracy. Complication rates were comparable between the protocols [5.65% (n=14), 6.46% (n=17)]. Conclusion: The 20-core biopsy protocol enhances overall cancer detection and reduces unnecessary upgrading in low-risk PCa cases, improving diagnostic precision. While multiparametric magnetic resonance imaging (MRI)-guided fusion biopsy offers high accuracy, its limited availability makes extended biopsy protocols a viable alternative, particularly in centers without MRI-based targeting methods. Further multicenter studies are needed to refine biopsy strategies for clinical practice.en_US
dc.identifier.doi10.4274/jus.galenos.2025.2025-2-9
dc.identifier.endpage145en_US
dc.identifier.issn2148-9580
dc.identifier.issue3en_US
dc.identifier.startpage138en_US
dc.identifier.urihttps://doi.org/10.4274/jus.galenos.2025.2025-2-9
dc.identifier.urihttps://hdl.handle.net/20.500.12684/21500
dc.identifier.volume12en_US
dc.identifier.wosWOS:001564972600001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherGalenos Publ Houseen_US
dc.relation.ispartofJournal of Urological Surgeryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmzKA_WOS_20250911
dc.subjectProstate biopsyen_US
dc.subjectprostate canceren_US
dc.subjectPSA densityen_US
dc.subjectradical prostatectomyen_US
dc.titleOptimizing Prostate Cancer Diagnosis: A Prospective, Randomized Comparison of 12-core vs. 20-core Biopsy for Detection Accuracy and Upgrading Risken_US
dc.typeArticleen_US

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