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Presurgical evaluation for epilepsy surgery 

Presurgical evaluation for epilepsy surgery
Chapter:
Presurgical evaluation for epilepsy surgery
Author(s):

Robert Elwes

DOI:
10.1093/med/9780199688395.003.0031
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date: 30 October 2020

This chapter describes the preoperative electroclinical assessment of the various epilepsy syndromes and pathologies that are open to surgical treatment. Particular emphasis is placed on medial temporal epilepsy and frontal epilepsy. The assessment of cases considered for hemispherotomy, multiple subpial transection for Landau–Kleffner syndrome, anterior two-thirds callosotomy in symptomatic generalized epilepsy, neural stimulation, and cases with nodular hetertopia are summarized. Throughout the chapter, particular emphasis is placed on the need for multidisciplinary assessment, and the interpretation of the electroencephalogram (EEG) in the context of the clinical features, imaging, and neuropsychology. Evaluation pathways are suggested and the indications for intracranial EEG, the types of electrodes used and the operative complications are discussed in detail. Summaries of the key points in the electroclinical evaluation of temporal and frontal lobe epilepsy are given.

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