It is of importance to acquire diffusion-weighted images with high image quality in a short time whereas higher b value and a greater number of b values reduce image quality and prolong scan time. In this study, we aimed to build an optimized protocol for IVIM in diagnosis of prostate cancer.We observed mean of all ADC, D, D* and f derived from IVIM with 5 b-value scheme showed almost the same diagnosis efficiency to IVIM with 13 b-value scheme, suggesting sensitivity and specificity were not different between different b-value scheme.
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