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一、概述癫痫是来源于大脑皮质和皮质下区的过度的发作性神经元放电。癫痫时有功能障碍的部位在于大脑,但功能的突然中断却表现在躯体或精神上,而发作时的症状却是脑损害的反应。癫痫是一个严重的医学问题与社会问题,据神经系统疾病流行病学资料表明,癫痫发病率在美因为0.4％,在西欧为0.5％,我国约为0.4～1.5％。任何可能影响脑结构和脑功能的病理过程,均可引起癫痫发作,其原因包括先天畸形、产伤、感染、外伤、血管畸形、肿瘤等,而外伤、感染或血管畸形引起的顽固性局限性癫痫的病人外科治疗效果令人满意。
I. Overview Epilepsy is an excessive episodic neuronal discharge that originates in the cerebral cortex and subcortex regions. When epilepsy has dysfunction in the brain, but the sudden interruption of function is manifested in the body or spirit, and the symptoms of the attack is a brain damage response. Epilepsy is a serious medical and social problem. According to the epidemiological data of nervous system diseases, the incidence of epilepsy is 0.4% in the United States, 0.5% in Western Europe and 0.4-1.5% in China. Any pathological process that may affect brain structure and brain function can cause seizures due to congenital malformations, birth trauma, infections, trauma, vascular malformations, tumors, etc., and intractable limitations caused by trauma, infection or vascular malformations Surgical treatment of patients with epilepsy is satisfactory.