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Transcortical Selective Amygdalohippocampectomy in Temporal Lobe Epilepsy

Published online by Cambridge University Press:  02 December 2014

André Olivier
André Olivier*
Affiliation:
Department of Neurosurgery, Montreal Neurological Hospital - Institute, Montreal, QC Canada.
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Abstract

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Numerous studies of the electrophysiology and neuropathology of temporal lobe epilepsy have demonstrated the mesial temporal structures to be the site of seizure origin in the majority of cases. This is the rationale for a transcortical selective approach, first introduced by Niemeyer, for removal of the hippocampus and amygdala. Series from a number of centers have demonstrated the efficacy of selective amygdalohippocampectomy compared to a more traditional resection. The technique described here and used at the Montreal Neurological Institute (MNI) utilizes a strictly endopial resection of the hippocampal formation and amygdala in addition to computer image guidance to perform the procedure. Ninety-five percent of patients at the MNI who underwent selective amygdalohippocampectomy realized a cessation of seizures, or greater than 90% reduction, with minimal risk of complications.

Type
Research Article
Information
Canadian Journal of Neurological Sciences , Volume 27 , Issue S1: Canadian Temporal Lobe Epilepsy Surgery Workshop , May 2000 , pp. S68 - S76
Copyright
Copyright © The Canadian Journal of Neurological 2000

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