患者,女性,24岁。4年半前起出现反复发作性四肢抽搐,牙关紧闭,口吐白沫,不省人事。每次持续0.5～3分钟,每日6～7次。近年来出现头痛、恶心。曾用妥苯英钠等癫痫药物治疗无效,于1991年2月19日入院。查体:神志清,双侧视乳头色红,边界模糊,A:V=2:4,余颅神经未见异常。四肢肌力Ⅴ级,肌张力正常,未引出病理反射。脑电图示中度异常。头颅CT 扫描示左额部有 Patient, female, 24 years old. 4 and a half years ago there have been recurrent seizures, limbs closed, foaming at the mouth, unconscious. Each duration of 0.5 to 3 minutes, 6 to 7 times daily. In recent years, headache, nausea. Have used sodium phenytoin and other epilepsy drugs ineffective, admitted February 19, 1991. Physical examination: Consciousness, bilateral visual papilla color, fuzzy boundaries, A: V = 2: 4, I cranial nerves no abnormalities. Grade Ⅴ limb muscle strength, muscle tone normal, did not lead to pathological reflex. EEG shows moderate abnormalities. Head CT scan showed the left forehead