Invasive Investigation of Insular Cortex Epilepsy.

Details

Serval ID
serval:BIB_5FAD3866F994
Type
Article: article from journal or magazin.
Publication sub-type
Review (review): journal as complete as possible of one specific subject, written based on exhaustive analyses from published work.
Collection
Publications
Institution
Title
Invasive Investigation of Insular Cortex Epilepsy.
Journal
Journal of clinical neurophysiology
Author(s)
Ryvlin P., Picard F.
ISSN
1537-1603 (Electronic)
ISSN-L
0736-0258
Publication state
Published
Issued date
07/2017
Peer-reviewed
Oui
Volume
34
Number
4
Pages
328-332
Language
english
Notes
Publication types: Journal Article
Publication Status: ppublish
Abstract
Invasive long-term EEG investigations of the insula have been performed since the mid-nineties in an expanding range of focal epilepsies suspected to involve the insular cortex. The various clinical forms of insular epilepsies were delineated during the last 2 decades, and include the following presentations: perisylvian epilepsy, temporal plus epilepsy, sleep hypermotor epilepsy, MRI-negative frontal and parietal lobe epilepsies, and insular lesions. In fact, a majority of complex stereoelectroencephalography procedures will include at least one electrode targeting the insula. Stereoelectroencephalography is currently the preferred method to investigate the insula, using orthogonal, oblique, or a combination of both trajectories, with no evidence of higher risk of intracranial bleeding than in other brain regions. Orthogonal trajectories allow to sample the overlaying opercula, while oblique trajectories offer a better sampling of the insular cortex. Intrainsular ictal EEG pattern are often characterized by a prolonged focal discharge restricted to one of the five insular gyri, militating for a dense enough sampling of the insular cortex in suspected insular epilepsies. Stereoelectroencephalography offers the potential to perform thermolesion of insular epileptogenic zones which, together with MRI-guided laser ablation, represent a possibly safer alternative treatment to open-skull surgical resection of the insula.

Pubmed
Web of science
Create date
06/07/2017 17:05
Last modification date
20/08/2019 14:17
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