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Case Reports
. 1987 Oct;2(4):276-8.
doi: 10.1177/088307388700200408.

Hyperdensity on CT after seizure: a pitfall

I H Bangash  1 , R S Kandt, B J D'Souza, R Heinz
Affiliations
Case Reports

Hyperdensity on CT after seizure: a pitfall

I H Bangash et al. J Child Neurol. 1987 Oct.

Abstract

A 12-year-old boy had a hyperdense area corresponding to a gyral pattern on an enhanced CT brain scan within 12 hours of his last seizure. The hyperdense area disappeared on a subsequent enhanced CT scan after he was seizure free for about 48 hours. The hyperdense area was in a location (mesial frontal lobe) predicted by the interictal physical exam findings and the seizure type recorded on video-EEG monitoring. We postulate that the CT abnormality was due to transitory increase of regional cerebral blood flow and vascular permeability.

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