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Poster

Brain Imaging with 7T Vs. 9.4T: A Direct Comparison of MR Parameters and SNR

MPS-Authors
/persons/resource/persons84145

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;

/persons/resource/persons84187

Scheffler,  Klaus
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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http://www.ismrm.org/14/program_files/TP04.htm
(Abstract)

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Citation

Pohmann, R., & Scheffler, K. (2014). Brain Imaging with 7T Vs. 9.4T: A Direct Comparison of MR Parameters and SNR. Poster presented at Joint Annual Meeting ISMRM-ESMRMB 2014, Milano, Italy.


Cite as: https://hdl.handle.net/21.11116/0000-0001-32F3-4
Abstract
Increasing the magnetic field strength beyond 7 T is expected to result in an increase of SNR, but this may be limited by the more unfavorable relaxation times, the B1inhomogeneity and the more difficult coil design. Here, SNR and MR parameters are compared for field strengths of 3 T, 7 T and 9.4 T. After correction for flip angle variations, a strong gain in SNR of almost a factor of two is found when going from 7 T to 9.4 T, but increasing inhomogeous B1-fields and shorter T2* demand for improved imaging techniques.