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Abstract #2987

Large Field-of-View Nonenhanced Neurovascular MR Angiography Using Ungated Radial Quiescent-Interval Slice-Selective (QISS)

Ioannis Koktzoglou1,2, Ali Serhal3, Jianing Pang4, and Robert R Edelman1,3

1Radiology, NorthShore University HealthSystem, Evanston, IL, United States, 2Radiology, University of Chicago Pritzker School of Medicine, Chicago, IL, United States, 3Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States, 4Siemens Healthineers, Chicago, IL, United States

We report a prototype ungated radial quiescent-interval slice-selective technique for nonenhanced magnetic resonance angiography of the extracranial carotid, vertebrobasilar and proximal intracranial circulations. The proposed method efficiently covers a large field-of-view, provides improved image quality with respect to Cartesian sampling, and provides flexibility to shorten the acquisition time via radial undersampling.

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