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Abstract #2149

Whole-Neck Arterial Evaluation with High Spatial Resolution using 3D Stack-of-Stars Quiescent Interval Slice-Selective (QISS) MRA

Ioannis Koktzoglou1,2 and Robert R Edelman1,3
1Radiology, NorthShore University HealthSystem, Evanston, IL, United States, 2The University of Chicago Pritzker School of Medicine, Chicago, IL, United States, 3Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States

We found that a prototype thin-slab stack-of-stars QISS sequence using a low-flip-angle FLASH readout can be used for whole-neck arterial evaluation in under 7 minutes. The technique minimizes flow-related saturation effects similarly to 2D QISS, while providing greater scan efficiency compared with 3D TOF and much improved image quality and through-plane spatial resolution compared with 2D TOF.

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