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Abstract #3708

Comparison between Biparametric and Multiparametric MRI for Detection of Prostate Cancer in the Peripheral Zone using PI-RADS Version 2.1

Jiahui Zhang1, Lili Xu2, Gumuyang Zhang2, Hao Sun2, and Zhengyu Jin2
1Department of Radiology, Peking Union Medical College Hospital, Beijing, China, 2Peking Union Medical College Hospital, Beijing, China


This study aimed to compare and analyse the diagnostic value of PI-RADS v2.1 when used with bpMRI versus mpMRI, DWI versus T2WI to detect peripheral-zone prostate cancer (pzPCa) and clinically significant prostate cancer (csPCa). The diagnostic efficiencies of mpMRI and bpMRI as well as DWI and T2WI in pzPCa and csPCa were compared using a PI-RADS score of ≥4 as the positive threshold and pathologic results as the gold standards. MpMRI and bpMRI as well as DWI and T2WI using PI-RADS v2.1 exhibited similar diagnostic efficiency in pzPCa and csPCa, whereas bpMRI demonstrated increased diagnostic specificity compared with mpMRI.

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