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散发性急性病毒性脑炎系指不经节肢动物传播的一些病毒所致的原发性脑炎,一般以血行播散为主要途径。小儿时期由于血脑屏障功能不够完善,故发病率相对比成人为高。由于脑实质损害,临床上一般均有不同程度的意识障碍和运动、感觉功能异常,同时具有感染性疾病的共同特点即发热和全身症状,且脑脊液呈无菌性脑膜炎改变,故多数病例诊断不难。但临床表现症状多变,有人将其分为(一)普通型;(二)特殊型:1.精神型;2.癫痫型;3.头痛型;4.多动型;5.多瘤型;6.偏瘫型;7.小脑型;8.脑干型。现将临床上所见特殊型3例报道以后,以期总结经验提高诊断水平。
Sporadic acute viral encephalitis refers to the primary encephalitis caused by some viruses that are not transmitted by arthropods and are generally spread by blood as the main route. Infancy as a result of inadequate blood-brain barrier function, so the incidence is relatively higher than adults. Due to the parenchymal damage, clinical generally have varying degrees of disturbance of consciousness and exercise, sensory dysfunction, and infectious diseases have the common characteristics of fever and systemic symptoms, and cerebrospinal fluid was aseptic meningitis, the majority of cases of diagnosis Not difficult. But the clinical manifestations of changeable, some people will be divided into (a) common type; (b) special type: 1. mental type; 2. epilepsy type; 3. headache type; 4. hyperactive type; ; 6. Hemiplegia; 7. Cerebellar; 8. Brainstem type. Now we see the clinical special cases reported in 3 cases, with a view to summarizing the experience to improve the diagnostic level.