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Presurgical evaluations of patients with intractable epilepsy
  1. R P Lesser
  1. Correspondence to:
 Dr R P Lesser
 Epilepsy Center, The Johns Hopkins Medical Institutions, 2-147 Meyer Building, 600 North Wolfe Street, Baltimore, MD 21287-7247, USA; rl{at}jhmi.edu

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Neuroimaging is helpful, but not definitive, when deciding whether to perform a surgical resection to treat intractable epilepsy

It seems straightforward: find the seizure focus, take it out, the seizures stop. Advances in neuroimaging and in electroencephalography (EEG), including the use of intracranial electrodes, should make this even easier.

In this issue, Alarcón et al(see page 474) compare the results of seizure surgery among patients with normal, or with abnormal, neuroimaging and who did, or did not, undergo recordings with intracranial electrodes.1 All patients had scalp EEG and magnetic resonance imaging (MRI). Intracranial (subdural or …

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