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. 1989 Sep-Oct;30(5):547-58.
doi: 10.1111/j.1528-1157.1989.tb05470.x.

Neuroimaging in patients with seizures of probable frontal lobe origin

B E Swartz  1 , E Halgren, A V Delgado-Escueta, M Mandelkern, M Gee, N Quinones, W H Blahd, J Repchan
Affiliations

Neuroimaging in patients with seizures of probable frontal lobe origin

B E Swartz et al. Epilepsia. 1989 Sep-Oct.

Abstract

Twenty-two patients whose electroclinical ictal characteristics suggested frontal lobe seizure foci were studied. Computed tomography (CT) scans showed abnormalities in only 32% of patients whereas magnetic resonance imaging was informative in 45%. 18FDG-Positron emission tomography (PET) scanning revealed decreased metabolism in 64% of the group. The areas of hypometabolism were focal, regional, or hemispheric. Focal frontal hypometabolism was significantly correlated with the electroclinical (semiologic) ictal localization. Therefore, FDG-PET scanning is a sensitive and specific technique for investigating patients with seizures of probable frontal lobe origins.

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