Hemispheric brain lesions are commonly associated with early onset of catastrophic epilepsies and multiple seizure types. Hemispheric surgery is indicated for patients with unilateral intractable epilepsy. Although described more than 50 years ago, several new techniques for hemispherectomy have only recently been proposed aiming to reduce operatory risks and morbidity.
Department of Neurology, Psychiatry and Psychology, Ribeirão Preto School of Medicine, University of São Paulo, CEP 14048-900 Ribeirão Preto, São Paulo, Brazil. vctbusta@mp.fmrp.usp.br
