In this study, we evaluated the repeatability of multiplexed sensitivity-encoding (MUSE) DW-EPI apparent diffusion coefficient measurements (ADC) in phantom and prostate images. High quality test-retest prostate and phantom ADC maps obtained from phantom and volunteer studies measured values using MUSE (2-4 interleaves) were within 1.4-4.7% (phantom) and 3.2-14.7% (prostate) of one another. In comparison, test-retest repeatability results for standard single-shot EPI (acceleration factor=2) were 4.5-9.4% (phantom) and 15.2-19.2% (prostate). MUSE images exhibit reduced geometric distortion.
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