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High Resolution Quantitative Susceptibility Mapping at 9.4T

MPS-Authors
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Budde,  J
Max Planck Institute for Biological Cybernetics, Max Planck Society;
Former Department MRZ, Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons83973

Hoffmann,  J
Max Planck Institute for Biological Cybernetics, Max Planck Society;
Former Department MRZ, Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons84145

Pohmann,  R
Max Planck Institute for Biological Cybernetics, Max Planck Society;
Former Department MRZ, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Deistung, A., Budde, J., Schweser, F., Hoffmann, J., Pohmann, R., & Reichenbach, J. (2011). High Resolution Quantitative Susceptibility Mapping at 9.4T. Poster presented at 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011), Montréal, Canada.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-BBFC-5
Abstract
This contribution presents a new reconstruction technique for combining multi-channel phase images based on a dual-echo GRE acquisition. The method is applied to multichannel GRE data acquired at 9.4T with 0.4 mm isotropic spatial resolution. SHARP-processed phase images and quantitative susceptibility maps showing sections of the cerebral cortex of the occipital and temporal lobe were presented. The susceptibility contrast is, contrary to the phase contrast, local and depicts the underlying anatomy directly. Susceptibility maps varied across the cortical thickness suggesting a layer-specific contrast. Furthermore, the magnetic susceptibility of gray matter varied depending on the cortical region.