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Abstract #3987

Mapping Brain Tissue Sodium Parameters Using Fast 3D Multi-Echo Radial Imaging

Jinhu Xiong1, William R Kearney1, Ankit Parekh2, Mathews Jacobs3, Rolf Schulte4, Baolian Yang4, and Vincent A Magnotta 1

1Radiology, Univ. of Iowa, Iowa City, IA, United States, 2New York University, New York City, NY, United States, 3lectrical-Computer Engin, Univ. of Iowa, Iowa City, IA, United States, 4GE Healthcare, Madison, WI, United States

We have developed 3D Multi-Echo Radial Imaging and Tikhonov reconstruction techniques for mapping brain tissue sodium concentration and R2* relaxation rate. The total acquisition time is about 6 minutes. Intra- and inter-cellular sodium concentrations and R2* relaxation rates were simultaneous estimated. Our long term aim is to develop 23Na imaging techniques for studies of brain function and diseases.

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