title: Stereo-Encephalography Versus Subdural Electrodes for Seizure Localization.
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.
authors.affiliation: Department of Neurological Surgery, University of Texas Southwestern Medical Center, 6363 Forest park road, Dallas, TX 75235, USA.
authors.forename: Irina
authors.initials: I
authors.lastname: Podkorytova
authors.affiliation: Department of Neurological Surgery, University of Texas Southwestern Medical Center, 6363 Forest park road, Dallas, TX 75235, USA.
authors.forename: Kathryn
authors.initials: K
authors.lastname: Hoes
authors.affiliation: Department of Neurological Surgery, University of Texas Southwestern Medical Center, 6363 Forest park road, Dallas, TX 75235, USA. Electronic address: bradley.lega@utsouthwestern.edu.
authors.forename: Bradley
authors.initials: B
authors.lastname: Lega
mesh_terms: D001921:Brain / Q000503:physiopathology* / Q000601:surgery; D001931:Brain Mapping / Q000379:methods*; D004567:Electrodes, Implanted; D004569:Electroencephalography / Q000379:methods*; D004827:Epilepsy / Q000503:physiopathology* / Q000601:surgery; D006801:Humans; D012640:Seizures / Q000503:physiopathology* / Q000601:surgery; D013238:Stereotaxic Techniques
keywords: Epilepsy surgery; Stereo-encephalography (SEEG); Subdural grids (SDG) or subdural electrodes (SDE)