Abstract #2652
Assessment of calcification size and juxtaluminal status using gray-blood 3D vessel wall MRI
Niranjan Balu 1 , Jie Sun 1 , Jin Liu 2 , Shuo Chen 3 , Huijun Chen 3 , and Chun Yuan 1
1
Radiology, University of Washington,
Seattle, Washington, United States,
2
Bioengineering,
University of Washington, Seattle, Washington, United
States,
3
CBIR,
Tsinghua University, Beijing, China
Large calcification size and juxtaluminal status of
calcification may be indicative of high-risk plaque.
Calcification assessment using plaque MRI traditionally
requires multicontrast MRI including black-blood and
bright-blood weightings. We develop a new method using
3D isotropic gray-blood MRI contrast that is acquired
simultaneously with image weightings for identifying
intraplaque hemorrhage and stenosis. We validate the
method against 2D multi-contrast plaque MRI for
assessment of calcification size and juxtaluminal/intraplaque
calcification status and show that our method provides
accurate results comparable to established plaque MRI
methods.
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