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Abstract #1234

Fat quantification in back muscles with low lipid content: A comparison of SVS, CSI and Dixon measurements

Galle Diserens 1 , Mauricio Reyes 2 , Chris Boesch 1 , Peter Vermathen 1 , and Waldo Enrique Valenzuela 2

1 Depts Clinical Research and Radiology, University Bern, Bern, Bern, Switzerland, 2 Institute for Surgical Technology and Biomechanics, Bern University, Bern, Switzerland

The aim of this study was to compare fat quantification determined by Dixon MRI, SVS and CSI in a back muscle (psoas major) in healthy subjects for small amounts of lipids only. A strong correlation was obtained for SVS and CSI results, but spectroscopy results didn't significantly correlate with Dixon results. Back muscle low fat content quantification can reliably be quantified by spectroscopy MR techniques (SVS and CSI), while noise and artefacts limit the preciseness of Dixon MRI for low fat quantification.

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