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目前CT对绝大多数颅内病变的定位、定性诊断已起到举足轻重的作用。笔者最近遇到一名脑膜瘤并发脑栓塞的患者在２７个月期间两次急性发病，先前３次头颅CT扫描均误诊，回顾分析，总结如下。病例女，８１岁。突发意识障碍伴失语、左侧偏瘫２小时入院。２７个月前亦有类似发病史?
At present, most of CT’s localization of intracranial lesions, qualitative diagnosis has played a decisive role. I recently encountered a meningioma complicated with cerebral embolism in patients with acute onset of 27 months, the previous three craniocerebral CT scan were misdiagnosed, retrospective analysis, summarized as follows. Case female, 81 years old. Sudden disturbance of consciousness with aphasia, left hemiplegia 2 hours admission. 27 months ago also have similar history?