Which men with non-malignant pathology at magnetic resonance imaging-targeted prostate biopsy and persistent PI-RADS 3-5 lesions should repeat biopsy? |
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Affiliation: | 1. Unit of Urology, IRCCS INRCA, Ancona, Italy;2. Ph.D. Program, Faculty of Medicine, School of Urology, Polytechnic University of the Marche Region, Ancona, Italy;3. Unit of Urology, ULSS 3 Serenissima, Dolo, Italy;4. Unit of Radiology, IRCSS INRCA, Ancona, Italy;5. School of Urology, Faculty of Medicine, Polytechnic University of the Marche Region, Ancona, Italy;6. Unit of Urology, Policlinico di Abano Terme, Abano Terme, Italy;7. Prostate Cancer Unit, IRCCS INRCA, Ancona, Italy |
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Abstract: | PurposeTo assess predictors of clinically significant (cs) prostate cancer (PCa) in men who had a non-malignant Multiparametric magnetic resonance imaging (mpMRI)-targeted biopsy and persistent Prostate Imaging-Reporting Data System (PI-RADS) 3 to 5 lesions in subsequent mpMRI.Materials and MethodsWe retrospectively analyzed MRI-targeted biopsy database in three centers. Inclusion criteria: persistence of at least one PI-RADS ≥3 lesion found negative for cancer in a previous MRI-targeted plus systemic biopsy (baseline biopsy). Exclusion criteria: downgrading to PI-RADS 1-2. A logistic regression analysis was performed to estimate the predictors of csPCa.ResultsFifty-seven patients were included. Median interval between biopsies was 12.9(2.43) months. Median age was 68.0(12) years. Median PSA was 7.0(5.45) ng/ml. At follow-up, 24.6%, 54.4%, and 21% of patients had a PI-RADS score 3, 4, and 5 index lesion (IL), respectively. At re-biopsy, 28/57(49.1%) men were found to harbor PCa. Among these, 22(78.6%) had csPCa. csPCa was found outside the IL in only 2 patients. Eleven, 13, and 5 patients with PI-RADS 3, 4, and 5, respectively, had no cancer. Three patients with a PI-RADS 3 lesion had cancer (2 with Gleason score 3+3, 1 with Gleason score 3+4). 14/43 men with a PI-RADS 4/5 lesion harbored Gleason score ≥3+4 PCa. Logistic regression analysis found that PSA (HR 1.281, 95% CI: 1.013–1.619, P = 0.039) and IL size (HR 1.146, 95% CI: 1.018–1.268, P = 0.041) were the predictors of csPCa at re-biopsy.ConclusionsPatients with non-malignant pathology from PI-RADS ≥3 lesions targeted biopsy should be follow-up with mpMRI, and those with persistent PI-RADS 4 to 5 lesions should repeat MRI-targeted and systematic biopsy. |
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