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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