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Abstract #4411

MEMRI of Mild Traumatic Brain Injury

Lora Talley Watts 1 , Qiang Shen 1 , Justin Alexander Long 1 , and Timothy Duong 1

1 Research Imaging Institute, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States

This study explored the use of MEMRI in mild TBI. MEMRI was hyperintense in the impact area at 1-3hrs, hypointense on day 2, and hypointense in the impact core with a hyperintense area surrounding the core on day 14. T2 MRI showed little contrast in the area below the impact at 1-3hrs, was hyperintense on day 2, pseudonormalized on day 7 and 14. MEMRI signal void in the area below the impact and the hyperintense area surrounding corresponded to tissue cavitation and reactive gliosis, respectively. MEMRI offers novel contrast for detecting mild TBI.

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