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Abstract #2064

Non-Contrast-Enhanced zTE MR Angiography of Intracranial Atherosclerotic Disease

Weiqiang Dou1, Yun Ji2, Yong Shen3, and Kai Xu2

1GE Healthcare, MR Research, Beijing, China, 2Department of Radiology, Affiliated Hospital of Xuzhou Medical University, Xu Zhou, China, 3GE Healthcare, MR Enhanced Application, Beijing, China

To investigate if zero-echo-time magnetic resonance angiography (zTE-MRA) is feasible in the characterization of intracranial atherosclerotic disease, we measured in this study a large population with atherosclerotic disease confirmed clinically. The acquired zTE-MRA images were thus compared systematically with those using time-of-flight (TOF)-MRA technique. Serving digital subtraction angiography (DSA) as a reference, zTE-MRA showed comparable imaging quality with DSA in the aspect of flow signal in the parent artery and higher signal intensity with less artifact than TOF-MRA. We therefore demonstrated that zTE-MRA could be a promising technique and further applied in the clinic routinely for patients with atherosclerotic disease.

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