DWI might be used as a biomarker for tumor aggressiveness, and various reports have been made on using DWI in distinguishing PCa from BPH. The primary parameter of DWI, ADC must be obtained with a high b value DWI, to limit the perfusion effect. The term radiomics has attracted increased attention in recent years, which was presented by Lambin in 2012. The aim of this study was to establish and evaluate the efficiency of radiomics model in distinguishing PCa from BPH based on DWI sequence and clinical information, and to compare the efficiency of ROI sketched by two different methods.
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