Seizure : the journal of the British Epilepsy Association
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Corpus callosotomy can be an effective surgical treatment for medically intractable generalized seizures, particularly for drop attacks. We studied long-term seizure outcomes after callosotomy, mainly focusing on drop attacks as the seizure type. ⋯ These findings confirmed that callosotomy is the treatment of choice for disabling generalized seizures, especially for drop attacks. Total section is far more effective than partial section in terms of control of drop attacks and prevention of seizure relapse. However, new types of seizure could occur after callosotomy. When newly developed postural seizures were very severe, patients may fall due to sudden torsion of body, but the entire process of falling was not as sudden as that observed during previous drop attacks.