Localization Profile Correction for ERETIC Based in Vivo 1H MRSI Quantification

Zoelch, N; Fuchs, A; Henning, A

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Localization Profile Correction for ERETIC Based in Vivo 1H MRSI Quantification

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Henning, A
Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Zoelch, N., Fuchs, A., & Henning, A. (2013). Localization Profile Correction for ERETIC Based in Vivo 1H MRSI Quantification. Poster presented at 21st Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2013), Salt Lake City, UT, USA.

Cite as: https://hdl.handle.net/21.11116/0000-0001-558D-1

Abstract

ERETIC is a calibration method independent of the disease state, automatically compensates for changes in coil loading conditions and hence requires only a one time calibration against a high precision phantom. However, when ERETIC is used for the quantification of MRSI images, the combined effect of B1+ inhomogeneity across the volume of interest and slice profiles of the selective RF pulses used for localization need to be corrected for. In this work two approaches of this correction are presented and validated against internal water referencing.