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Abstract #4323

Q-Space Trajectory Imaging Using the MAGNUS High-Performance Head Gradient 

Grant Kaijuin Yang1,2, Ek Tsoon Tan3, Eric Fiveland4, Thomas Foo4, and Jennifer McNab2
1Electrical Engineering, Stanford University, Stanford, CA, United States, 2Radiology, Stanford University, Stanford, CA, United States, 3Hospital for Special Surgery in Manhattan, New York, NY, United States, 4GE Global Research, Niskayuna, NY, United States

In this work, q-space trajectory imaging was implemented on a whole-body system equipped with a high-performance head-only gradient system capable of 200 mT/m maximum gradient amplitude and 500 T/m/s slew rate. The improved gradient performance enabled the acquisition of q-space trajectory imaging with sub-millimeter in-plane resolution and reduced voxel volume compared to previously published work, while simultaneously improving head coverage, and reducing susceptibility induced image distortions.

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