Abstract #2362

Towards Prospective Free-Breathing Abdominal Magnetic Resonance Fingerprinting

Madison Kretzler¹, Xinzhou Li², Leonardo Kayat Bittencourt^3,4, Mark Griswold¹, and Rasim Boyacioglu¹

¹Radiology, Case Western Reserve University, Cleveland, OH, United States, ²MR R&D Collaborations, Siemens Medical Solutions USA, Inc., St. Louis, MO, United States, ³Radiology, University Hospitals Cleveland Medical Center, Cleveland, OH, United States, ⁴School of Medicine, Case Western Reserve University, Cleveland, OH, United States

Synopsis

Keywords: MR Fingerprinting/Synthetic MR, Liver, prospective, Free-breathing, Pilot toneA Pilot Tone (PT) based comparison study is presented for abdominal free-breathing MRF using a previously validated PT extraction and vendor developed extraction methods. The initial steps towards prospective processing of the data for immediate availability of the free-breathing MRF quantitative maps on the console are demonstrated. In vivo comparison results for various free-breathing patterns are shown with consistent agreement between respiratory motion in PT extraction methods. Extraction of the respiration signal from PT via the vendor reconstruction software is the first step towards prospective free-breathing abdominal MRF.

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