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Arquivos de Neuro-Psiquiatria

Print version ISSN 0004-282X


BRAINER-LIMA, Paulo Thadeu et al. Surgical treatment of refractory epilepsy associated with space occupying lesions experience and review. Arq. Neuro-Psiquiatr. [online]. 1996, vol.54, n.3, pp.384-392. ISSN 0004-282X.

Surgery for space occupying lesions of the brain associated with intractable epilepsy represents a special problem because relief of the epilepsy is as much an operative goal as excision of the space occupying lesion itself. This study concerns 32 patients with space occupying lesions and intractable epilepsy who underwent excision of the lesion with acute intraoperative electrocorticography guided resection of the epileptogenic focus. Of the 32 patients, 16 formed a subgroup of gangliogliomas alone. The remaining were mixed lesions, predominantly benign. The duration of seizures in these patients ranged from 2 to 30 years, and the seizure frequency varied from 1 to 300 convulsions per month. The operative procedures included temporal corticectomy, amygdalo-hippocampectomy, and extratemporal corticectomies. Twenty nine patients were in Engel class I postoperatively, and three patients were in Engel class II. The findings with gangliogliomas are also considered in a separate group. This study strongly suggests that the operative procedure under electrocorticography guidance improves seizure outcome in space occuping lesions related intractable epilepsy.

Keywords : brain tumor; ganglioglioma; refractory epilepsy; electrocorticography.

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