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Abstract #2299

An MR imaging method for quantifying fat fraction

Biglands J, Wilson D
Leeds Teaching Hospitals NHS Trust

There are two limitations with the Dixon method of quantifying fat fraction. The ambiguity over whether fat or water is the dominant species, and T1-weighting errors. We propose a method to resolve these limitations by using images taken over a range of TR values and using a least squares fitting method to obtain values for the fat fraction and the T1s. The method has been successfully modelled in a computer simulation incororating random noise into the MR signal.