A prolonged period of status epilepticus. Anoxic injury?
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Increased T2 signal, best appreciated on FLAIR, involving the cortices of all lobes bilaterally as well as the heads of caudate and lentiform nuclei. With the exception of the basal ganglia, high DWI and low ADC signal, in keeping with diffusion restriction if evident in these areas.
The grey white matter differentiation is maintained.
The brainstem and cerebellum are normal.
These MR appearances in typical in appearance and location for the brain during/following a period of status epilepticus.