Abstract #4323

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

Grant Kaijuin Yang^1,2, 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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