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Abstract #0523

ZTE Imaging Across Field Strengths; Opportunities for Low-Field Imaging

Emil Ljungberg1, Brian Burns2, Tobias Wood1, Ana Beatriz Solana3, Peder E.Z. Larson4, Gareth J. Barker1, and Florian Wiesinger1,3
1Neuroimaging, King's College London, London, United Kingdom, 2ASL West, GE Healthcare, Menlo Park, CA, United States, 3ASL Europe, GE Healthcare, Munich, Germany, 4Univeristy of California, San Francisco, San Francisco, CA, United States

Zero Echo Time (ZTE) imaging enables ultra-fast, near silent data acquisition. In this work we demonstrate how contrast-to-noise, between white and gray matter in the brain, with a ZTE acquisition changes with field strength. At low field strength, maximum contrast is achievable with low RF power, which is promising for implementation on low field systems. We demonstrate through in vivo experiment that ZTE imaging can be performed at 1.5T/3T/7T, and how variable flip angle data at, for instance, 1.5T can be used for synthesising high quality T1-weighted MR images.

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