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Abstract #0544

Time-Resolved Nonenhanced QISS MR Angiography Using a Golden Angle Radial Trajectory and HYPR

Ioannis Koktzoglou1, 2, Charles A. Mistretta3, Shivraman Giri4, Parag Amin5, Robert R. Edelman1, 6

1Radiology, NorthShore University HealthSystem, Evanston, IL, United States; 2The University of Chicago Pritzker School of Medicine, Chicago, IL, United States; 3Radiology, University of Wisconsin-Madison, Madison, WI, United States; 4Siemens Healthcare, Chicago, IL, United States; 5Radiology, Northwestern University, Chicago, IL, United States; 6Northwestern University Feinberg School of Medicine, Chicago, IL, United States

A time-resolved variation of nonenhanced quiescent interval single-shot (QISS) MRA using a golden angle radial trajectory and highly constrained back projection (HYPR) reconstruction is presented. The method permits rapid display of peripheral arterial anatomy and flow with high spatial and temporal resolution.