Abstract #3659
An Efficient Chemical-shift Encoded Imaging for Liver Fat Quantification
Abraam S Soliman 1,2 and Charles A McKenzie 1,3
1
Biomedical Engineering, University of
Western Ontario, London, Ontario, Canada,
2
Robarts
Research Institute, Imaging Research Laboratories,
London, Ontario, Canada,
3
Medical
Biophysics, University of Western Ontario, London,
Ontario, Canada
Chemical-shift encoded-water fat imaging is usually
performed using multi-gradient-echo sequence. Unipolar
echoes are acquired over multiple TR in order to achieve
optimal echo-spacing. Although bipolar acquisitions are
more efficient than the unipolar ones, they suffer from
phase and magnitude errors that disrupt the fat
quantification process. We have recently proposed a new
bipolar sequence that can overcome these errors and
provide accurate fat measurement. In this work we
demonstrate the efficiency of this sequence for whole
liver imaging, commonly used for the diagnosis of
non-alcoholic fatty liver disease (NAFLD).
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