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The MRI study shows the following:
bilateral asymmetrical involvement of the limbic system, temporal lobes, insular cortices, and inferolateral frontal lobes; the left posteromedial thalamic region is probably involved
the affected areas show generalized edema elicits a low signal in T1 and high signal in T2 and FLAIR
most of the affected regions show no restriction in the diffusion study with occasional T2 shine through, consistent with vasogenic edema
small regions show true restriction especially those at the bilateral posterior temporal (more left) as well as the left cingulate gyrus consistent with cytotoxic edema
no evidence of hemorrhagic changes in the T2 GRE
the basal ganglia is spared