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Transient MR Signal Changes in Patients with Generalized Tonic-Clonic Seizure or Status Eiplepticus: Periictal Diffusion-weighted Imaging
AJNR 22:1149-1160, Kim,J.,et al, 2001
See this aricle in Pubmed

Article Abstract
The MR signal changes that occur after generalized tonic-clonic seizure or status epilepticus are transient increase of signal intensity and swelling at the cortical gray matter, subcortical white matter, or hippocampus on periictal T2-wiegh ted and diffusion-weighted images. These findings reflect transient cytotoxic and vasogenic edema induced by seizure. The reversibility and typical location of lesions can help exclude the epileptogenic structural lesions.
 
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cerebral cortex
cerebral edema,cytotoxic
gray matter
hippocampus
MRI,abnormal
MRI,abnormal,seizure causing
MRI,ADC maps
MRI,diffusion weighted
MRI,disappearing lesion on
seizure
seizure,tonic-clonic
status epilepticus
white matter disease

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