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Abstract #0137

The MRF Array: an iPRES Coil Array for Accelerated Magnetic Resonance Fingerprinting

Michael Twieg1, Bhairav B. Mehta1, Shinya Handa2, Haoqin Zhu2, Michael Wyban2, Steven Tokar2, Labros Petropoulos2, Hiroyuki Fujita2, Sherry Huang3, Andrew Dupuis3, and Mark A Griswold1,3

1Department of Radiology, Case Western Reserve University, Cleveland, OH, United States, 2Quality Electrodynamics, Mayfield Heights, OH, United States, 3Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, United States

Magnetic Resonance Fingerprinting (MRF) depends on spatially and temporally incoherent encoding fields for fast quantitative imaging. However the achievable encoding is limited by hardware. The iPRES concept, which adds ΔB0 and B1+ encoding to a receive array, is an excellent candidate for additional encoding for MRF. Here we present preliminary results of a 16 channel iPRES array, referred to as the MRF array. The MRF array uses in-bore power amplifiers to provide vastly increased encoding capabilities while minimizing the cost of additional hardware. Such encoding schemes are expected to allow for acceleration of quantitative imaging techniques such as MRF.

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