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Abstract #2273

1H MRS assessment of lipid composition at 3T and 7T

Stephen Bawden1,2, Scott Willis3, Hannah Williams2, James King3, Guruprasad P Aithal1, and Penny Gowland2

1NIHR Nottingham Digestive Diseases Biomedical Research Centre, Nottingham University hospitals NHS trust and University of Nottingham, Nottingham, United Kingdom, 2Sir Peter Mansfield Imaging Centre, School of Physics, University of Nottingham, Nottingham, United Kingdom, 3School of Sport, Exercise and Health Sciences, Loughborough University, Louhgborough, United Kingdom

MRI and MRS provides a powerful tool to non-invasively assess lipid deposition in vivo. In addition to fat fraction measurements, recent studies have shown that lipid composition may play an important role in health outcomes. 1H MRS at high field strength provides good SNR of individual fat peaks and can be used to asses lipid composition (saturation, poly-unsaturation etc.). In this study a number of edible oils were scanned at 3T and 7T and MR spectra used to compare measurements of lipid composition with predicted values. An in vivo dataset was also acquired for comparison.

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