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J Comput Assist Tomogr. 1992 Sep-Oct;16(5):814-6.

Complex partial seizure-induced transient MR enhancement.

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Department of Diagnostic Radiology, Loyola University Medical Center, Maywood, IL 60153.


A 58-year-old man with complex partial seizures had transient symmetrical MR enhancement in the anterior mesiotemporal cortex bilaterally, correlated with the sites of seizure focus on electroencephalography. Preinfused T1-weighted and T2-weighted sequences showed no abnormality. After adequate control of seizures with medication, repeat MR was normal and the prior enhancement was no longer seen. This transient seizure-induced MR enhancement was consistent with ictal or postictal hyperemia and breakdown of the blood-brain barrier and should not be erroneously attributed to mesial temporal sclerosis, encephalitis, tumor, or infarction.

[Indexed for MEDLINE]

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