Abstract #1054
SLIM-MRE without prolonged echo time for the simultaneous acquisition of the 3D displacement vector applied to in vivo mouse brain
Steven P Kearney 1 , Spencer T Brinker 1 , David A Burns 1 , Thomas J Royston 2 , and Dieter Klatt 2
1
Mechanical and Industrial Engineering,
University of Illinois at Chicago, Chicago, IL, United
States,
2
Bioengineering,
University of Illinois at Chicago, Chicago, IL, United
States
SampLe Interval Modulation Magnetic Resonance
Elastography (SLIM-MRE) enables the simultaneous
acquisition of 3D displacement, however this normally
requires an increase in the echo time due to the mutual
shifting of the motion encoding gradients (MEG). This
study proposes a method of circular shifting of the
start phase of the MEG waveforms allowing for rapid
multidirectional motion encoding without increase in
echo time. The new implementation of SLIM-MRE was
applied to in vivo mouse brain and the results agree
well to the ones obtained using conventional MRE
encoding schemes.
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