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Hyperdensity on CT After Seizure: A Pitfall

Department of Pediatrics, Division of Pediatric Neurology Duke University Medical Center, Durham, NC

Raymond S. Kandt, MD

Department of Pediatrics, Division of Pediatric Neurology Duke University Medical Center, Durham, NC

Bernard J. D'Souza, MD

Department of Pediatrics, Division of Pediatric Neurology Duke University Medical Center, Durham, NC

Ralph Heinz, MD

Department of Radiology Duke University Medical Center, Durham, NC

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. (J Child Neurol 1987;2:276-278).

Journal of Child Neurology, Vol. 2, No. 4, 276-278 (1987)
DOI: 10.1177/088307388700200408


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