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例1 男,8岁。因阵发性头晕1年,右侧肢体活动障碍3个月入院。最近伴有性格改变,智力减退。体检:神清合作,体温36℃,颅神经无明显损害,右侧肢体肌力4级.右膝腱反射亢进,右巴氏征阳性,轮替试验右侧减弱,指鼻实验右侧减慢,感觉无异常,心肺腹未发现异常.CT显示局限性脑萎缩,珠网膜下腔增宽,左侧脑沟、脑回增宽。脑血管造影大脑前动脉部分显影,颅底异常血管网。诊断:烟雾病阵发性脑缺血发作。给予激素,扩血管药治疗住院一个月,头晕未发作,右侧肢体活动较前有力,灵活,好转出院。患儿阵发性头晕、出大汗、站立不稳,是阵发性脑缺血的表现.右侧肢体活动障碍是长期脑缺血引起脑局部萎缩的表现。
Example 1 male, 8 years old. 1 year due to paroxysmal dizziness, right limb movement disorders 3 months admitted to hospital. Recently accompanied by personality changes, mental retardation. Physical examination: Shenqing cooperation, body temperature 36 ℃, no significant damage to the cranial nerves, right limb muscle strength 4. Right knee tendon hyperreflexia, right Bashang sign positive, weaning test right weakened, right nasal experiment slowed down , No abnormality was found and no abnormality was found in the heart, lung and abdomen.CT showed limited atrophy, widening of the subretinal space, widening of the left sulci and brain. Cerebral angiography part of the anterior cerebral artery imaging, skull base abnormal vascular network. Diagnosis: Moyamoya disease onset of cerebral ischemia. Give hormones, vasodilator treatment hospitalized a month, dizziness did not attack, the right limb activity than the former powerful, flexible, improved discharge. Children with paroxysmal dizziness, sweating, standing instability, is the performance of paroxysmal cerebral ischemia .The right limb movement disorder is a result of long-term cerebral ischemia caused by brain atrophy.