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Post Ictal Edema-DWI

 MR signal changes following seizure or status epilepticus are transient increase of signal intensity and swelling at the cortical gray matter, subcortical white matter, or hippocampus on peri-ictal T2-weighted and diffusion-weighted images. These findings reflect transient cytotoxic and vasogenic edema induced by seizure. This  11 year old patient has a calcified granuloma in the posterior parietal region and this MRI was done immediately following seizure.

Post Ictal Edema-DWI Reviewed by Sumer Sethi on Friday, November 16, 2012 Rating: 5

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