[Surgical treatment of epilepsy with electrocorticography monitoring]

From January 1983 to April 1988, 40 cases of epilepsy were treated surgically. There were 15 cases of posttraumatic cicatrix, 5 cases of grade I astrocytoma, 9 cases of diffuse gliosis, 4 cases of vascular malformation, 1 case of calcification and cicatrix of temporal lobe, 2 cases of microglia malformation, 1 case of brain atrophy complicating ganglioneuroma, 2 cases of localized brain atrophy, 1 case of post-hematoma cicatrix. The end results were seizures subsided in 26, and reduction of the seriousness in 8. No mortality in this series. Follow-up study showed 85% of these patients with effectiveness. The indication of surgery, utilizing of electrocorticography, excision of epileptogenic focus are discussed.