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Abstract #1427

Quantitative susceptibility mapping using three dimensional segmented echo-planar imaging

Wen-Tung Wang 1 , Dzung Pham 1 , and John A Butman 1,2

1 National Institutes of Health, Bethesda, MD, United States, 2 Center for Neuroscience and Regenerative Medicine, MD, United States

Quantitative Susceptibility Mapping (QSM) provides unique image contrast based on differences in tissue magnetic susceptibilities. 3D single shot echo-planar imaging (EPI) with 1 mm isotropic resolution and 2D single shot EPI QSM with resolution of 1.81.82 mm3 has been demonstrated to be statistically equivalent to 3D GRE QSM at 1.5 T. In this work we applied 3D segmented EPI [4] for QSM of whole brain with anisotropic resolution and whole head with isotropic resolution at 3 T.

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