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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