Transient splenial lesion
40 year old male; acute onset paresthesias
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MR reveals solitary lesion in the splenium of corpus callosum. The lesion is hyperintense on T2/ FLAIR, hypointense on T1 and shows diffusion restriction.
Patient had viral upper respiratory infection and fever 2 weeks earlier
Presumptive MR diagnosis: Demyelinating lesion
Clinical improvement after Steroid treament
Presumed Demyelination. On follow up MRI the lesion is completely resolved.