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Abstract #0219

Dynamic Multi-Coil Technique (DYNAMITE) MRI on Human Brain

Christoph Juchem1, Michael Mullen2, Chathura Kumaragamage3, Lance DelaBarre2, Gregor Adriany2, Peter B Brown3, Scott McIntyre3, Terence W Nixon3, Michael Garwood2, and Robin A de Graaf3

1Departments of Biomedical Engineering and Radiology, Columbia University, New York, NY, United States, 2Department of Radiology, Center for Magnetic Resonance Research (CMRR), University of Minnesota, Minneapolis, MN, United States, 3Department of Radiology and Biomedical Imaging, Magnetic Resonance Resesarch Center (MRRC), Yale University, New Haven, CT, United States

To date, spatial encoding for human MRI is based on linear X, Y and Z field gradients generated by dedicated X, Y and Z gradient coils. We recently introduced the Dynamic Multi-Coil Technique (DYNAMITE) for B0 magnetic field modeling and demonstrated DYNAMITE MRI in a miniaturized setup. In this study we report the first realization of multi-slice DYNAMITE MRI of the in vivo human brain in which all gradient fields are purely DYNAMITE-based. The obtained image fidelity is comparable to MRI with conventional gradient coils, paving the way for full-fledged human DYNAMITE MRI systems.

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