Abstract #3288

Volumetric, multi B-value, multi-delay ASL using 3D single-shot spirals, expanded encoding models, and low rank reconstruction

Mu-Lan Jen¹, James H Holmes², Laura Eisenmenger², and Kevin M Johnson^1,2

¹Medical Physics, University of Wisconsin-Madison, Madison, WI, United States, ²Radiology, University of Wisconsin-Madison, Madison, WI, United States

In this work, we investigate a strategy to acquire single-shot, multi b-value, multi-delay ASL scans using the combination of an undersampled spiral in-out 3D fast spin echo readout with reconstructions enforcing a low rank constraint with an expanded encoding model. Images are demonstrated in healthy volunteers, acquiring single 3D ASL images in as short as 11s.

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