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Abstract #1224

Water-Fat Separated MRI for Detecting Increased Fat Infiltration in the Multifidus Muscle in Patients with Severe Neck Problems due to Chronic Whiplash Associated Disorder

Anette Karlsson 1,2 , Anneli Peolsson 3 , Janne West 2,3 , Ulrika slund 3 , Thobias Romu 1,2 , rjan Smedby 2,3 , Peter Zsigmond 4 , and Olof Dahlqvist Leinhard 2,3

1 Department of Biomedical Engineering, Linkping University, Linkping, Sweden, 2 Center for Medcial Image Science and Visualization (CMIV), Linkping University, Linkping, Sweden, 3 Department of Medical and Health Sciences, Linkping University, Linkping, Sweden, 4 Department of Neurosurgery and Department of Clinical and Experimental Medicine, Linkping University, Linkping, Sweden

The fatty infiltration of the multifidus muscle was investigated in 31 individuals with chronic Whiplash Associated Disorders (WAD) and 31 controls, matched for age and sex in C4-C7, using water-fat separated MRI. Individuals with severe disability had significantly (p=0.03 to 0.04) higher content of fatty infiltration on the right side of the neck compared to controls and to those with mild/ moderate WAD. There were no significant differences between those with mild/ moderate WAD and healthy controls. Earlier reported findings using T1-weighted MRI was reproduced also using water-fat separated MRI.

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