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Abstract #1764

Intra and Extracranial Carotid Artery Perfusion Imaging Based on MR Vessel Encoded Arterial Spin Labeling

Ying Sun1, Bing Wu2, Hua Zhong3, Xiaoying Wang2, Jue Zhang1,3, Jing Fang1,3

1College of Engineering, Peking University, Beijing, China; 2Dept. of Radiology, Peking University First Hospital, Beijing, China; 3Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, China

With the increase of cases of intracranial stenosis, the research to study the shortcut pathways caused by carotid artery stenosis manifested by abnormal external carotid artery perfusion image become very critical. In this preliminary study, an upgraded tagging strategy for Vessel Encoded Arterial Spin Labeling (VEASL) was employed to non-invasively evaluate the intra and extracranial carotid artery supplied cerebral perfusion of healthy volunteers, by tagging the right and left internal carotid arteries, the external carotid artery and the vertebral arteries. Results suggested that the proposed approach could separate the intracranial and extracranial parts of perfusion come from external carotid artery.