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.