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Abstract #4394

Reduction of Systematic Errors in MRSI Based Brain Temperature Mapping.

Jehill Parikh1, 2, Michael Thrippleton1, 2, Ian Marshall1, 2

1Brain Research Imaging Centre, University of Edinburgh, Edinburgh, United Kingdom; 2Medical Physics, University of Edinburgh, Edinburgh, United Kingdom

Internal reference MRS thermometry can be used measure absolute brain temperature, using MRSI acquisitions it may be possible study regional brain temperature variation. However water suppression is commonly employed in MRSI and may introduce systematic errors in temperature maps estimated using MRSI data. This study will highlight the nature of this systematic bias and discuss the ways to reduce it.