Common Contracts
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Interreader Agreement in Multiparametric Prostate Magnetic Resonance Imaging: A Head-to-Head Comparison between PI-RADSv2 and v2.1April 9th, 2018
Material and Method: Two hundred-two patients who had both multiparametric prostate magnetic resonance imaging (mpMRI) and 12 quadrant systematic biopsies were included in this retrospective study. Acquisition parameters were totally complied with proposal of PI-RADSv2 and 2.1 guidelines. mpMRIs were evaluated by two radiologists independently. Index lesion’s score was used to determine diagnostic performance of the systems. Gleason ≥ 3+4 tumors were considered clinically significant prostate cancer (CSCa). Kappa statistic was used to determine interreader agreement on overall PI-RADS scores. Area under the curve (AUC) was calculated in detection of CSCa using receiver operating characteristic curve (ROC).
