Abstract #2529
Dual Contrast Vessel Wall MRI using Phase Sensitive Polarity Maps
Niranjan Balu 1 , Haining Liu 1 , Shuo Chen 2 , Huijun Chen 2 , Jinnan Wang 3 , Zechen Zhou 1 , and Chun Yuan 1
1
Radiology, University of Washington,
Seattle, WA, United States,
2
Biomedical
Engineering, School of Medicine,Tsinghua University,
Beijing, China,
3
Philips
Research North America, Briarcliff Manor, New York,
United States
Multicontrast MRI is currently used to identify
high-risk atherosclerotic plaque components. We propose
a dual contrast vessel wall MRI sequence to identify
four major high-risk features: plaque burden, stenosis,
intraplaque hemorrhage and juxtaluminal calcification by
extending the phase-sensitive reconstruction of a
recently proposed vessel wall MRI sequence (SNAP) to
include a proton density black-blood weighting. We
demonstrate that combined review of bright-blood,
gray-blood and black-blood images obtained from a single
five minute acquisition can identify high-risk plaque in
patients with atherosclerotic carotid plaque.
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