Abstract #1811

Optimized Structural Imaging at 7T using ME-MP2RAGE

Eberhard Daniel Pracht¹, Philipp Ehses¹, Hankyeol Lee², Kamil Uludag^2,3, and Tony Stoecker^1,4

¹German Center for Neurodegenerative Diseases, Bonn, Germany, ²Center for Neuroscience Imaging Research, Institute for Basic Science & Department of Biomedical Engineering, Sungkyunkwan University, Suwon, Korea, Republic of, ³Techna Institute & Koerner Scientist in MR Imaging, University Health Network, Toronto, ON, Canada, ⁴Department of Physics and Astronomy, University of Bonn, Bonn, Germany

In this work, we present an optimized, scan-time efficient multi-echo MP2RAGE sequence (ME-MP2RAGE) for improved brain segmentation at ultra-high field. Apart from removing B₁-, M₀, and T₂* dependencies (MP2RAGE features), the proposed method removes susceptibility induced image distortions along the readout direction. Additionally, an optimized reordering scheme was implemented for scan-time optimization.

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