Abstract #4067
MR Elastography of the liver: qualitative and quantitative comparison of GRE and EPI sequences.
Temel Kaya Yasar 1 , Cecilia Besa 1 , Jad Bou Ayache 1 , Octavia Bane 1 , Maggie Fung 2 , and Bachir Taouli 1
1
Icahn School of Medicine at Mount Sinai, New
York, NY, United States,
2
GE
Healthcare, New York, NY, United States
GRE based MRE pulse sequences are commonly used for
liver studies. However, SE-EPI based MRE pulse sequences
are attractive due to shorter acquisition time and
higher SNR. However, clinical evidence whether EPI is
equivalent to GRE-MRE remains to be proven. In this
study, we compared liver stiffness using GRE and EPI MRE
in 9 patients. In parallel to stiffness measurements two
radiologist assessed the quality MRE from wave images
and confidence maps. While excellent agreement was found
between methods, EPI-MRE was found to be of higher
quality while significantly shorter in acquisition time.
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