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观察46例证实的婴、幼儿结核性脑膜炎,对照临床病程分析各种CT表现的范围、积水程度以及随访所见。CT表现为脑积水、脑萎缩、脑膜结核瘤、边缘带反应、脑梗塞。后遗症包括脑积水、局限脑软化灶、脑膜钙化。脑积水是幼儿结核性脑膜炎最早的异常表现,通常先于基底池消失几周,脑积水积度与病程持续时间呈正比,与年龄大小呈反比,中、重度脑积水提示预后差。脑基底池血管周围毛刺状或串珠强化影,预示着脑梗塞的可能。
Forty-six confirmed cases of tuberculous meningitis in infants and young children were observed, and the range of CT manifestations, degree of hydrocephalus and follow-up were analyzed in the control clinical course. CT showed hydrocephalus, brain atrophy, meningeal tuberculosis, marginal zone reaction, cerebral infarction. Sequelae include hydrocephalus, limited brain softening, meningeal calcification. Hydrocephalus is the earliest manifestation of tuberculosis meningitis in children, usually disappear a few weeks before the basal cistern, hydrocephalus volume and duration of the disease is proportional to the duration, inversely proportional to the size of the age, moderate and severe hydronephrosis prompted a poor prognosis . Cerebral basal vessels around the blood vessels burr or beaded enhanced shadow, indicating the possibility of cerebral infarction.