SAR and Scan-Time Optimized 3D Whole-Brain Double Inversion Recovery (DIR) 
Imaging

Pracht, ED; Feiweier, T; Ehses, P; Brenner, D; Weber, B; Stöcker, T

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SAR and Scan-Time Optimized 3D Whole-Brain Double Inversion Recovery (DIR) Imaging

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Ehses, P
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Pracht, E., Feiweier, T., Ehses, P., Brenner, D., Weber, B., & Stöcker, T. (2013). SAR and Scan-Time Optimized 3D Whole-Brain Double Inversion Recovery (DIR) Imaging. In 21st Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2013).

Cite as: https://hdl.handle.net/21.11116/0000-0001-4F56-7

Abstract

The DIR sequence is commonly used for simultaneous white matter and cerebrospinal fluid (CSF) suppression. Gray matter (GM) imaging is important for cortical lesion detection in neurological diseases, such as epilepsy and Alzheimer's. The aim of this project was to optimize the DIR Turbo-Spin-Echo (TSE) sequence, enabling whole brain acquisition at a resolution of 1 x 1 x 1 mm3 or below, in less than 10 minutes scan time. Both, the DIR preparation module, as well as the TSE imaging module were specifically designed for high field applications to overcome SAR limitations and to optimize image quality.