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Abstract #2931

Flow-encoding Arterial Structure Acquired using Silent-MRA: A Preliminary Study

Chia-Wei Li1, Chien-Yuan Eddy Lin2, Charng-Chyi Shieh2, Chen-Syuanms Lin1, Chia-Yuen Chen1, and Wing P. Chan1,3

1Department of Radiology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan, 2GE Healthcare, Taipei, Taiwan, 3Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan

Silent magnetic resonance angiography (Silent-MRA), which combines the Silent Scan algorithm to achieve a zero echo time with an arterial spin-labelling method, has recently been introduced as a novel MRA technique. Many studies of Silent-MRA focused on evaluating vascular structure; however, reports of further investigations into the flow information generated by Silent-MRA cannot be found. To this end, we compared the flow-encoding Silent-MRA signal with phase contrast flow imaging and found a linear correlation between the two. This preliminary study demonstrates the potential power of using flow-encoding Silent-MRA in assessing complicated vascular disease.

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