Abstract #4016
Simultaneous Multislice Accelerated Free-Breathing Diffusion-Weighted Imaging of the Liver at 3T
Chika C Obele 1 , Christopher Glielmi 2 , Justin Ream 1 , Ankur Doshi 1 , Naomi Campbell 1,3 , Cheung Hoi Zhang 1 , James Babb 1 , Himanshu Bhat 4 , and Hersh Chandarana 1
1
Radiology, NYU Scool of Medicine and NYU
Langone Medical Center, New York, NY, United States,
2
Siemens
HealthCare, New York, NY, United States,
3
Radiology,
Memorial Sloan Kettering, NY, United States,
4
Siemens
Healthcare, Charlestown, MA, United States
Techniques that can accelerate free-breathing diffusion
weighted imaging (DWI) of the liver are of interest to
decrease acquisition time while maintaining image
quality. One promising method is multiband excitation
approach that can acquire multiple slices
simultaneously, thus decreasing repetition time (TR). In
current study multiband DWI with 2 fold acceleration
(mb2-DWI) was shown to decrease acquisition time by 40
to 50% compared to conventional DWI (c-DWI) for liver
imaging. Despite shorter acquisition time, mb2-DWI had
higher scores for overall image quality compared to c-DWI
with identical lesion detectability. Thus, mb2-DWI can
potentially replace the conventional DWI sequence in the
liver.
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