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Abstract #1920

Territory Arterial Spin Labeling technique in evaluation of Superficial Temporal Artery to Middle Cerebral Artery Bypass Surgery in Moyamoya Disease

JING YUAN1, JIANXUN QU2, and PEIYI GAO1

1RADIOLOGY, BEIJING TIANTAN HOSPITAL,CAPITAL MEDICAL UNIVERSITY, BEIJING, China, 2MR RESEARCH CHINA, GE HEALTHCARE, BEIJING, China

The purpose of this study was to evaluate cerebral blood flow and territory through superficial temporal artery (STA) to middle cerebral artery (MCA) bypass in patients with Moyamoya disease after direct revascularization surgery using territory arterial spin labeling (tASL) technique. ASL and tASL scan were performed before and after bypassing surgery. our study demonstrated some bypasses can effectively supply blood flow into the brain and others cannot. tASL technique can selectively demonstrate perfusion territory through STA to MCA bypass. Thus, provide information about patency of STA to MCA bypass.

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