患儿，男，11岁。于4岁开始出现行走时易跌倒，同时出现双手活动不灵活及构音不清，近2年站立时足跟不能着他．入院前4天开始出现不自生活动及躯体扭转，每天发作数次，持续约十几分钟后缓解，夜间睡眠时未出现发作。既往无中枢神经感染史，无CO中毒史，无颅内出血支，出生时无 Children, male, 11 years old. At the age of 4, she started to fall easily when walking. At the same time her hands were inflexible and the articulation was unclear. In the past 2 years, her heel could not stand with him. Four days before admission, involuntary movements and somatic twisting began to occur, attacking several times a day for about ten minutes and then relieving. There was no seizure during nighttime sleep. No previous history of central nervous system infection, no CO poisoning history, no intracranial hemorrhage, no birth