MR Imaging of Heat Stroke: External Capsule and Thalamic T1 Shortening and Cerebellar Injury
Carol T. McLaughlina,
Arthur G. Kaneb and
Andrew E. Auberc
a Department of Health Education and Training, Tripler Army Medical Center, Honolulu, HI and the Ohio State University College of Medicine and Public Health, Columbus, OH
b Department of Radiology, Neuroradiology Section, Tripler Army Medical Center, Honolulu, HI
c Department of Radiology, Neuroradiology Section, Brooke Army Medical Center, San Antonio, TX

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FIG 1. Proton density(A) and T2-weighted (B) axial MR images of the brain at the level of the third ventricle show hyperintensity (arrows) in the external capsules and medial thalami and altered signal intensity in the adjacent third ventricle.
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FIG 2. Three axial precontrast contiguous T1-weighted images (A) and corresponding postcontrast images (B) demonstrate both T1 shortening and accompanying enhancement in the same area (arrows).
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FIG 3. Axial postcontrast T1-weighted image shows scattered cerebellar hyperintensity and patchy enhancement in the cerebellar hemispheres bilaterally (arrows).
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