Abstract #2671
Accuracy of lumen measurement using non-contrast SNAP MRA
Haining Liu 1 , Niranjan Balu 2 , Jinnan Wang 3 , Jie Sun 2 , and Chun Yuan 4,5
1
University of Washington, Seattle, WA,
United States,
2
Radiology
Department, University of Washington, Seattle, WA,
United States,
3
Philips
Research North America, NY, United States,
4
Bioengineering
Department, University of Washington, Seattle, WA,
United States,
5
Bioengineering
Department, Tsinghua University, Beijing, China
SNAP can simultaneously detect lumen stenosis and
intraplaque hemorrhage in a single scan. The accuracy
SNAP lumen measurement relative to clinically used
techniques such as contrast-enhanced MRA (CE-MRA) is not
known. Lumen area measurements from 15 patients scanned
with SNAP and CEMRA were compared. Our results show that
that SNAP provides comparable measurement to CE-MRA for
lumen area indicating that SNAP is a potential
non-contrast alternative to CEMRA for lumen stenosis
assessment.
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