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Abstract #4475

Susceptibility Mapping: Computation of the Field Map using Water-Fat Separation at 7T

Ildar Khalidov1, Tian Liu1, Martin R. Prince1, Yi Wang1

1Radiology, Weill Cornell Medical College, NYC, NY, United States

Susceptibility mapping in animals is a promising technique for contrast agent quantification. To get a susceptibility map, the inverse problem solver requires high-quality field map as input. To estimate the field, the water-fat separation problem in the conditions of strong field inhomogeneity at 7T is solved in this abstract. We use the combination of the VARPRO method with a Markov chain to enforce spatial consistency between field map values.