Abstract #1531
Efficient fat suppression by slice-selection gradient reversal in stimulated echo diffusion weighted liver imaging
Hui Zhang 1 , Ed X. Wu 2,3 , and Hua Guo 1
1
Center for Biomedical Imaging Research,
Department of Biomedical Engineering, School of
Medicine, Tsinghua University, Beijing, China,
2
Laboratory
of Biomedical Imaging and Signal Processing, The
University of Hong Kong, Hong Kong SAR, China,
3
Department
of Electrical and Electronic Engineering, The University
of Hong Kong, Hong Kong SAR, China
Since Single-shot echo planar imaging (EPI) is sensitive
to chemical-shift artifacts and there are higher
inhomogeneity at 3T, fat suppression become especially
challenging for traditional methods on the liver at 3T.
Therefore it is very difficult to do the study about the
diffusion time effect on liver diffusion measurements.
To solve this, another much more efficient method,
slice-selection gradient reversal (SSGR), was
incorporated into stimulated echo (STE) diffusion
weighted imaging sequence. In vivo results show that
SSGR are combined with STE successfully and can suppress
the fat signal much more efficiently than traditional
methods.
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