Abstract #1588
Variable Refocusing Flip Angle Single-Shot Fast Spin Echo of the Bowel, Initial Experience
Daniel V Litwiller 1 , James F Glockner 2 , and Ersin Bayram 3
1
Global MR Applications and Workflow, GE
Healthcare, Rochester, MN, United States,
2
Department
of Radiology, Mayo Clinic, Rochester, MN, United States,
3
Global
MR Applications and Workflow, GE Healthcare, Houston,
TX, United States
Single-Shot Fast Spin Echo (SSFSE) imaging of the bowel
is limited in several ways, including T2-driven image
blurring, which limits effective resolution, and high
SAR (especially at 3.0T), which limits repetition time
and therefore acquisition speed. Here, we present
initial bowel imaging results from variable refocusing
flip angle SSFSE (vrfSSFSE), which demonstrates markedly
improved image sharpness, resulting in improved
appearance of the bowel and mesentery, features that are
typically lacking in bowel imaging with conventional
SSFSE using static refocusing flip angles. In addition,
increased imaging speed with vrfSSFSE can be used to
shorten breath-held acquisitions or to increase slice
coverage.
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