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Abstract #0599

Acceleration-selective Arterial Spin Labeling (AccASL) MR Angiography for Visualization of Distal Cerebral Arteries in Moyamoya Disease

Osamu Togao1, Akio Hiwatashi1, Makoto Obara2, Koji Yamashita1, Kazufumi Kikuchi1, and Hiroshi Honda1

1Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, 2Philips Electronics Japan, Tokyo, Japan

In this study, we demonstrated the utility of intracranial MR angiography (MRA) using acceleration-selective arterial spin labeling (AccASL) technique in Moyamoya disease. The AccASL-MRA markedly improved the visualization of arteries distal to the steno-occlusive site reflecting collateral flow via LMA in Moyamoya disease in comparison with time-of-flight (TOF)-MRA.

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