Stereo-Encephalography Versus Subdural Electrodes for Seizure Localization

Irina Podkorytova, Kathryn Hoes, Bradley Lega

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

In today's practice, epileptologists and neurosurgeons have several options for seizure localization with intracranial electrodes during phase II evaluations. Traditionally, centers in North America have used subdural electrode grids (SDE or SDG) for intracranial seizure localization. However, improvements in technology led to the popularization of stereo-encephalography (SEEG) using depth electrodes. Epilepsy surgery centers highest in volume now offer both SDE and SEEG for seizure localization. This article provides a general guide for considering SEEG versus SDE for intracranial seizure localization based on our experience with both. Several paradigmatic cases are used illustrate the advantages and disadvantages of the different approaches.

Original languageEnglish (US)
Pages (from-to)97-109
Number of pages13
JournalNeurosurgery Clinics of North America
Volume27
Issue number1
DOIs
StatePublished - Jan 1 2016

Keywords

  • Epilepsy surgery
  • Stereo-encephalography (SEEG)
  • Subdural grids (SDG) or subdural electrodes (SDE)

ASJC Scopus subject areas

  • Clinical Neurology
  • Surgery

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