3D arterial spin labeling imaging with DANTE preparation pulse
Tsuyoshi Matsuda1, Hirohiko Kimura2, Masayuki Kanamoto3, and Hiroyuki Kabasawa1
1MR Applications and Workflow, GE Healthcare Japan Corporation, Tokyo, Japan, 2Department of Radiology, University of Fukui, Fukui, Japan, 3Radiological Center, University of Fukui Hospital, Fukui, Japan
DANTE preparation pulse for the arterial
spin-labeling (ASL) sequence was developed to reduce the intravascular signal
based on the hypothesis that DANTE could enable sufficient vascular signal
suppression without any technical drawback. Phantom and human volunteer
experiments were performed to evaluate the proposed method. A similar level of
vascular suppression effect was observed with both MSDE and DANTE-prepared ASL
sequence from phantom experiment. A signal intensity uniformity of vascular
suppressed perfusion weighted images was superior with DANTE compared to MSDE.
These results indicated that DANTE-preparation could be used as a vessel signal
suppression method for ASL.
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