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Abstract #1108

Fast 3D MR Fingerprinting with Pseudorandom Cartesian Sampling

Yun Jiang1, Gregor Körzdörfer2,3, Jesse I. Hamilton4, Bo Zhao5, Lawrence L. Wald5, Nicole Seiberlich4, Vikas Gulani1,4, Mathias Nittka2, and Mark Griswold1,4

1Radiology, Case Western Reserve University, Cleveland, OH, United States, 2Siemens Healthcare GmbH, Erlangen, Germany, 3Friedrich‐Alexander‐Universität Erlangen‐Nürnberg, Erlangen, Germany, 4Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States, 5Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States

A 3D Magnetic Resonance Fingerprinting method based on the pseudorandom Cartesian sampling was proposed to achieve isotropic high-resolution T1, T2 and off-resonance quantification. Compared to existing MRF methods based on non-Cartesian sampling patterns, the proposed method demonstrates a flexible sampling framework that is less susceptible to imperfections of the imaging gradients and off-resonance effects. It provides a step forward to a robust and high-resolution isotropic MRF method in brain, musculoskeletal and abdominal imaging.

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