Abstract #2879

Rapid Time-Resolved 4D MRA of the Brain Using Golden-Angle Radial Sparse Parallel (GRASP) MRI

Adam E. Goldman-Yassen¹, Maria J. Borja², Anna Derman², Eytan Raz², Duan Chen², Siddhant Dogra², Kai Tobias Block², and Seena Dehkharghani^2,3

¹Department of Radiology, Children's Healthcare of Atlanta, Atlanta, GA, United States, ²Department of Radiology, New York University Langone Medical Center, New York, NY, United States, ³Department of Neurology, New York University Langone Medical Center, New York, NY, United States

GRASP is a fast and flexible MRI technique combining compressed sensing, parallel imaging, and golden-angle radial sampling. GRASP MRI obtained as part of routine clinical care without specific angiographic parameters can be displayed as 4D MRA images with high spatial and temporal resolution. It exhibits excellent performance and high reader confidence in dynamic angiography, using a highly flexible plug-and-play reconstruction and visualization pipeline. Further exploration of diagnostic accuracy in disease-specific applications is warranted.

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