MEMRI of Mild Traumatic Brain Injury
Lora Talley Watts 1 , Qiang Shen 1 , Justin Alexander Long 1 , and Timothy Duong 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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