PMC9960044_01
MRI Brain. T2 MRI brain showing bilateral hyperintensity seen in globus pallidus (arrows).
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FIG1
Magnetic resonance imaging (MRI) brain showed T2 hyperintensity in bilateral globus pallidus and minimal fluid attenuation inversion recovery (FLAIR) series hyperintensity in pons and white matter (Figure 1).
CT Head. CT head showing mixed density left-sided frontal subdural hematoma (arrow on the right) and hyperdensity in the right posterior sulci suggestive of subarachnoid hemorrhage (arrow on the left).
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FIG2
No evidence of infection was noted, and the trauma screen was remarkable, only for a small isodense subdural hematoma, subarachnoid hemorrhage, and left frontal cephalohematoma with no mass effect (Figure 2).
MRI Brain. FLAIR MRI brain showing right-sided temporal lobe hyperintensity (arrow).
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FIG3
A repeat MRI brain showed a new curvilinear FLAIR hyperintensity in the medial right temporal lobe with linear enhancement (Figure 3).
MRI Brain. FLAIR MRI brain after IVIG and corticosteroid therapy showing evidence of improving right-sided temporal lobe hyperintensity (arrow).
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FIG4
The level of consciousness gradually improved, and a repeat MRI brain showed no new enhancement foci (Figure 4). 