Presentation
Fever with seizures
Patient Data
Age: 3 years
Gender: Female
From the case:
Acute leukoencephalopathy with restricted diffusion (ALERD)
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Extensive diffusion restriction is observed involving the bilateral subcortical and deep white matter with sparing of the cortex.
T2/FLAIR/DWI hyperintensities are also observed involving the bilateral basal ganglia with no obvious diffusion restriction.
Case Discussion
The imaging pattern on diffusion-weighted images is called the 'bright tree' appearance, and the findings are pathognomonic for acute leukoencephalopathy with restricted diffusion (ALERD).
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