Multiparametric MRI targeted prostate biopsy: When omit systematic biopsy?

IF 1.4 Q3 UROLOGY & NEPHROLOGY Archivio Italiano di Urologia e Andrologia Pub Date : 2024-11-11 DOI:10.4081/aiua.2024.12992

Pietro Pepe, Ludovica Pepe, Vincenzo Fiorentino, Mara Curduman, Filippo Fraggetta

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Abstract

Introduction: To evaluate the detection rate for prostate cancer (PCa) performing multiparametric magnetic resonance imaging (mpMRI) fusion targeted biopsy (TPBx) combined only with ipsilateral systematic prostate biopsy (SPBx).

Materials and methods: From January 2023 to December 2023, 495 men with clinical suspicion of PCa underwent transperineal SPBx plus TPBx in the presence of PI-RADS score lesions ≥ 3.

Results: In 250/495 men (50.5%) a PCa was found, while 36/250 (14.4%) men had negative mpMRI. In comparison to TPBx, SPBx diagnosed a higher number of indolent PCa, 38.5 vs. 5.8%, respectively; conversely, SPBx demonstrated a higher detection rate for clinically significant PCa (97.3 vs. 85.4%) in the presence of ISUP Grade Group 2 (GG2). In details, rates were higher in the presence of GG2 (100 vs. 76%), GG3 (85.7 vs. 75.8%) and GG4 (100 vs. 86.4%) tumors. However, in GG5, both SPBx and TPBx diagnosed 100% of csPCa. Furthermore, 89.4% of the cases showed csPCa on the negative mpMRI side.

Conclusions: SPBx combined with TPBx maximized csPCa diagnosis; the use of reduced biopsy scheme limited to ipsilateral side of mpMRI lesion plus TPBx missed 11.6% csPCa. Only in the presence of PI-RADS score 5 SPBx and TPBx diagnosed both 100% of csPCa.

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