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Abstract #4044

Low-Rank Inversion Reconstruction for Through-Plane Accelerated Radial MR Fingerprinting at 0.35T

Nikolai J Mickevicius1 and Carri K Glide-Hurst1
1Department of Human Oncology, University of Wisconsin-Madison, Madison, WI, United States


To reduce scan time, methods to accelerate hybrid phase encoded/non-Cartesian MR fingerprinting (MRF) acquisitions for variable density spiral acquisitions have recently been developed. These methods are not applicable to MRF acquisitions wherein a single k-space spoke is acquired per frame. Therefore, we describe, implement, and test a low-rank inversion method on a 0.35T MR-guided radiation therapy system to resolve MR fingerprinting contrast dynamics from through-plane accelerated Cartesian/radial measurements.

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