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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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(click to filter results - removes previous filter) 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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