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Abstract #4709

Comparative study of zero TE ASL MRA and 3D-TOF MRA in diagnostic value of cerebral arteriovenous malformations at 1.5T

Juan Huang1, Yan Song, Peng Qi, Sheng Jiao, Hong Wang, Min Chen, and Bing Wu

1Beijing Hospital, Beijing, People's Republic of China

3D TOF MRA is susceptible to hemodynamic artifacts and is not sensitive to the slow blood flow, which results in the unsatisfied image quality for the diagnosis of AVMs. So we compared the use of zero TE ASL MRA (zTE MRA) and traditional 3D-TOF MRA in assessment of AVMs at 1.5T, taking DSA as standard. It was demonstrated that ASL MRA features significantly better consistency with DSA for AVMs as compared to TOF. In detail, zTE MRA can demonstrate the size, internal details, the feeding arteries and draining veins more clearly and accurately compared with TOF MRA.

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