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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