【摘 要】 目的 探讨CT对脑弥漫性轴索损伤(DAI)的诊断价值。 方法 回顾性分析72例经临床证实为DAI患者的临床及CT资料。 结果 72例DAI早期CT均表现为弥漫性脑肿胀，脑室及脑沟池受压变小或闭塞;脑白质内单发或多发小出血灶64例，呈斑点状，直径多小于20mm，主要位于胼胝体、皮髓质交界处、基底节区、脑干及小脑;蛛网膜和/或脑室出血56例;合并硬膜外血肿29例，颅底骨折33例。 结论 DAI的CT征象有其特点，对临床早期诊断和治疗及评价预后有重要价值。

    【关键词】 脑弥漫性轴索损伤;体层摄影术，X线计算机;诊断

    CT diagnostic value of diffuse axonal injury BAO Ji-hua，DING Chang-qing.(Department of radiology，The People's Hospital of Fengxian County，Jiangsu221700，China)

    【Abstract】 Objective To evaluate the value of CT in diagnosis of diffuse encephalic axonal injury(DAI).Methods The CT imagine data and its correlated clinic features of72patients with clinically-proved DAI were retrospectively analyzed.Results At the early stage of the disease，diffuse encephalic swelling，compressed or occlued ventricles，sulci and cisterna were seen on CT in all72cases.Speckled hemorrhages(<20mm)in cerebral parenchyma were mainly located at mesolobus ......