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Abstract #1589

Whole-Body Continuously Moving Table Fat Water Imaging with Dynamic B 0 Shimming

Saikat Sengupta 1,2 , David S Smith 1,2 , and E. Brian Welch 1,2

1 Radiology and Radiological Sciences, Vanderbilt University, Nashville, Tennessee, United States, 2 Vanderbilt University Institute of Imaging Science, Nashville, Tennessee, United States

Multiecho MRI with a Continuously Moving Table (CMT) enables rapid mapping and quantification of whole-body fat/water content. A limitation of CMT MRI is that the center-frequency (f0) and B0 shims are optimized at one location of the body resulting in non-optimal fields in other anatomical sections. In this work, we present a solution to this problem by dynamically shimming different locations of the body during a multiecho radial CMT fat/water scan with shim and f0 settings optimal for each individual anatomical location. We demonstrate slice optimized shimming and fat/water separation in 5 different locations of the body.

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