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Abstract #0108

T2* mapping for Fat and Water images using Two-Point Dixon method with intrinsic B0 updating

Tzu-Cheng Chao1, Dinghui Wang1, and James G. Pipe1
1Department of Radiology, Mayo Clinic, Rochester, MN, United States


Accurate fat fraction and T2* evaluation offers useful diagnostic information. A data driven B0-update algorithm in conjunction with the Two-Point Dixon method is illustrated in this work, offering efficient computation to improve B0 accuracy to separate fat and water in the multiple TE acquisition. The individual fat and water signals are then used for T2* mapping. The reconstructed parametric maps have comparable quality to those of the existing methods. The results also show that the proposed method requires shorter computation time and is more stable in the presence of an inaccurate reference field map.

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