In diffusion-weighted imaging (DWI) using echo-planar acquisition, fat signals are commonly suppressed by using chemical saturation or by spectral-spatial RF excitation. In this study, we present a technique using a rosette trajectory for simultaneous mapping of apparent diffusion coefficient (ADC) and water-fat separation with inherent B0 correction. The feasibility of using this technique is demonstrated in phantom, brain, and head-neck scans.
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