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Neurology. 1989 Oct;39(10):1288-93.

Ictal localization of temporal lobe seizures with scalp/sphenoidal recordings.

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1
Department of Neurology, University of California, Los Angeles.

Abstract

We assessed the reliability and accuracy of scalp/sphenodial recordings for ictal localization by retrospectively analyzing 706 noninvasive ictal recordings from 110 patients who subsequently underwent stereoencephalographic evaluation. Strictly defined unilateral temporal/sphenoidal ictal patterns correctly predicted findings of depth electrode examination in 82 to 94% of cases. These strictly defined predictive patterns could be detected with excellent interrater reliability. The patterns are misleading in only a minority of cases, but cannot be used in isolation for definite ictal localization.

PMID:
2797451
[Indexed for MEDLINE]
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