Abstract #3281

High-resolution imaging of muscular fat fraction - comparison of chemical shift-encoded imaging and T2-based imaging

Lena Trinh¹, Emelie Lind¹, Pernilla Peterson¹, and Sven Månsson¹

¹Dept. of Translational Medicine, Medical Radiation Physics, Skåne University Hospital, Lund University, Malmö, Sweden

Chemical shift-encoded imaging is a quantitative method commonly used to estimate fat fraction (FF) in various body parts. However, for a reliable assessment, this technique requires short inter echo spacing which can be challenging if high spatial resolution is desirable. An alternative quantitative method, based on the difference in T2-relaxation time between fat and water, was examined and compared to the chemical shift-encoded imaging method. This T2-based technique successfully estimated FF in phantoms at high resolution and large matrix size, when the chemical shift-encoded method failed.

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