Neurologic clinics
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Approximately 30-40% of patients with focal epilepsy continue to have seizures despite appropriate medical therapy. Surgical treatments should be considered in this important subset of patients. ⋯ The goal of the presurgical evaluation (video EEG monitoring, neuroimaging, and neuropsychological assessment) is to delineate the epileptogenic zone. Surgery is recommended when this has been adequately identified and the proposed procedure is expected to result in a high likelihood of seizure freedom and a low risk of neurologic and cognitive morbidity.