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Improvement of R2* mapping in Alzheimer’s Disease at 9.4T through reduction of B0 fluctuation-induced image artifacts using Navigator Echoes

MPS-Authors
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Tuzzi,  E
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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Hagberg,  G
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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Loktyushin,  A
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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Pohmann,  R
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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Scheffler,  K
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

Tuzzi, E., Hagberg, G., Loktyushin, A., Pohmann, R., Zeller, A., Laske, C., et al. (2019). Improvement of R2* mapping in Alzheimer’s Disease at 9.4T through reduction of B0 fluctuation-induced image artifacts using Navigator Echoes. Poster presented at 27th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2019), Montréal, QC, Canada.


Cite as: http://hdl.handle.net/21.11116/0000-0003-9709-9
Abstract
Ultra-High-Field (UHF) MRI provides a potential non-invasive means to investigate Alzheimer’s Disease (AD). R2* map is one of the most established MRI techniques to detect iron concentration in the brain. However, image quality can be substantially affected by B0 fluctuation-related-artifacts at UHF. In this study we showed an improvement of the quality of R2* maps in AD at 9.4T using Navigator Echos approach.