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Placement of subdural electrode grids for seizure focus localization in patients with a large arachnoid cyst
UBDURAL electrodes are widely utilized to gather EEG data from cortical areas to localize seizure foci before resection. 1,4,7 Seizure disorders can be associated with the presence of arachnoid cysts, 5 and the question of seizure generation from the cortical surface in the depths of the cyst often arises. The technical issue relates to the tendency of electrode arrays to slide off concave areas of the cortex and thus provide confounding EEG data. We report on a technique for placing a subduraldoi:10.3171/foc.2007.22.2.5 pmid:17608348 fatcat:kcoiqn2ltvbuhoivhsp5jxnwta