Abstract #3358
Rapid, motion robust, and quiet quantitative magnetization transfer (qMT) imaging using a zero echo time (ZTE) acquisition
James H Holmes 1 , Alexey Samsonov 2 , Pouria Mossahebi 3 , Diego Hernando 2 , Aaron S Field 2,4 , and Kevin M Johnson 5
1
Global MR Applications and Workflow, GE
Healthcare, Madison, WI, United States,
2
Radiology,
University of Wisconsin-Madison, Madison, WI, United
States,
3
Department of Medicine, University of
Wisconsin-Madison, Madison, WI, United States,
4
Biomedical
Engineering, University of Wisconsin-Madison, Madison,
WI, United States,
5
Medical
Physics, University of Wisconsin-Madison, Madison, WI,
United States
We demonstrate a method for rapid, motion robust, and
quiet quantitative imaging using a time efficient zero
echo time acquisition. The method relies on radial
sampling to improve motion robustness and reduce scan
time using an intermittent MT preparation pulse played
every 64 imaging excitations rather than every TR.
Quantitative parameters were calculated using a 3
parameter fit model to 2 SPGR imaging flip angle data
sets, one MT weighted data set, and a B1 dataset.
Results are shown for normal volunteers demonstrating
motion robustness and potential for quantitative
accuracy.
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