Abstract #2519
Optimized Fast Simultaneous Non-contrast Angiography and intraPlaque hemorrhage (fSNAP) imaging for intracranial arteries
Jia Ning 1 , Shuo Chen 1 , Jinnan Wang 2,3 , Xihai Zhao 1 , Chun Yuan 1,2 , and Huijun Chen 1
1
Center for Biomedical Imaging Research &
Department of Biomedical Engineering, Tsinghua
University, Beijing, China,
2
Department
of radiology, University of Washington, Seattle, WA,
United States,
3
Philips
Research North America, United States
Simultaneous Non-contrast Angiography and intraPlaque
hemorrhage (SNAP) imaging has been proposed to image the
stenosis of artery and intraplaque hemorrahge (IPH)
lesions in the atherosclerotic plaques in one scan Since
the SNAP consists a TFE based reference scan for phase
sensitive reconstruction, so the scan time is very long.
A new proposed optimized fast SNAP contains a
low-resolution reference scan is tested on intracranial
arteries. Result shows that there is no significant
difference in CNRs of SNAP and optimized fSNAP. Also,
fSNAP gives a comparable visualization of smaller
branches. The scan time of optimized fSNAP is 37.5% less
than SNAP.
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