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Abstract #4238

Fat assessment in shoulder muscle: A comparison between spectroscopic and imaging techniques.

Galle Diserens 1 , Helen Anwander 2 , Fabian Fuhrer 2 , Chris Boesch 1 , Mattias A Zumstein 2 , and Peter Vermathen 1

1 Depts. Radiology and Clinical Research, University Bern, Bern, Switzerland, 2 Dept. of Orthopaedic Surgery and Traumatology, University Bern, Bern, Switzerland

The aim of this study was to compare Dixon imaging and single voxel spectroscopy (SVS) for determination of low fat contents in muscles that are not prone to motion, as shoulder muscles (infraspinatus and supraspinatus). The results clearly demonstrate that also for low contents below 10%, the lipid content can be determined reliably by both, Dixon and SVS methods. This was shown by strong correlations between results from SVS and Dixon and between independent measures of right and left shoulders and between the two different muscles investigated.

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