Arterial Spin Labeling with Simultaneous Multi- Slice EPI compared to EPI and 3D GRASE
David Feinberg 1,2 , Liyong Chen 1,2 , and Alexander Beckett 1,2
Helen Wills Neuroscience Institute,
University of California, Berkeley, California, United
MRI Technologies, LLC, Sebastopol, California, United
Simultaneous multi-slice EPI has been combined with
pulsed ASL to record several times more images than
conventional EPI. Comparison of quantitative CBF maps
and perfusion weighted images show good agreement to EPI.
Comparisons to segmented 3D GRASE ASL shows differences
in scan times and susceptibility artifacts with
advantages of background suppression and higher SNR in
3D GRASE, while both achieve whole brain slice coverage.
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