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Abstract #0760

Compact iPRES coil assembly for Magnetic Resonance Fingerprinting

Michael Twieg1, Bhairav B Mehta2, Simone Coppo2, Haoqin Zhu3, Labros Petropoulos3, Hiroyuki Fujita3, and Mark A Griswold4

1Dept of Radiology, Case Western Reserve University, Cleveland Heights, OH, United States, 2Dept of Radiology, Case Western Reserve University, Cleveland, OH, United States, 3Quality Electrodynamics, Mayfield Village, OH, United States, 4Dept of Radiology, Case Western Reserve University, OH, United States

Magnetic Resonance Fingerprinting (MRF) makes use of spatially and temporally incoherent encoding schemes to produce orthogonal signals from different tissues. Here we present a coil optimized for MRF that integrates parallel receive, excitation, and shimming (iPRES) to provide an ideal method of modulating all three available magnetic fields (B1-, B1+, and ΔB0). In order to be useful in quantitative imaging, an iPRES array must convey these fields accurately, and cost effectively. Here we demonstrate an iPRES coil element with all three field amplifiers located on-coil, providing improved sensitivity and efficiency relative to remote amplifiers.

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