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Abstract #1631

Zero Echo Time Arterial Spinning Labeling Magnetic Resonance Angiography in the diagnosis of intracranial artery stenosis: a feasibility study

Mingzhen Wu1, Weiqiang Dou2, Chengbing He1, Xiaoqian Huang1, Jixin Luan1, Chuanying Shi1, and Chuanchen Zhang1
1Liaocheng People's Hospital, Liaocheng, China, 2GE Healthcare, MR Research China, Beijing, China

This study aimed to investigate if zero-echo-time arterial-spin-labeling (ZTE ASL) MRA is feasible in the diagnosis of intracranial artery stenosis(ICAD). 25 patients with confirmed clinically stroke or transient ischemic attacks were recruited. For these patients, the correspondingly acquired ZTE-MRA images were compared with those using TOF-MRA technique. DSA imaging was also applied for and considered as a reference standard. For large-medium-sized intracranial arterial segments, ZTE-MRA showed better performance in the image quality and diseased artery detection than TOF-MRA. Therefore, ZTE-MRA ´╗┐can be considered as a promising technique to be further applied in the clinic routinely for patients with ICAD.

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