Multiparametric MRI, including T2-weighted, diffusion-weighted, and dynamic contrast enhanced (DCE) imaging, is the recommended imaging modality for prostate cancer (PCa). Although the role of DCE-MRI has been greatly limited in recent years, only qualitative analysis of DCE is currently performed. Here we propose magnetic resonance dispersion imaging (MRDI) to obtain quantitative parametric maps from DCE-MRI. Comparing the performance of two radiologists, our results show that some clinically-significant PCa are only found by interpretation of either mpMRI alone or MRDI maps alone, suggesting that combined interpretation of MRDI and mpMRI may improve PCa diagnosis.
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