Highly-Accelerated, Self-Calibrated Stack-of-Spirals Arterial Spin Labeling Using 3D SPIRiT Reconstruction
Yulin V Chang1, Marta Vidorreta2, Ze Wang3, and John A Detre2
1Radiology, University of Pennsylvania, Philadelphia, PA, United States, 2Neurology, University of Pennsylvania, Philadelphia, PA, United States, 3Hangzhou Normal University, Hangzhou, Zhejiang, China, People's Republic of
3D coverage of the whole
brain by using RARE-refocused stack-of-2D-spirals often suffers from low
temporal/spatial resolution due to the long spiral readout or long echo train.
In this work we present a method that allows whole-brain coverage at 3 mm
isotropic spatial resolution with one- or two-segment, accelerated acquisitions
in both partition and spiral directions. The technique was applied in
conjunction with background-suppressed pCASL, resulting in improved
temporal/spatial resolution for quantification of cerebral blood flow.
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