摘要：目的：探讨CT对早期脑梗死的诊断价值。方法：收集我院收治的90例脑梗死患者影像资料，回顾性分析发病后24 h内的CT表现。结果：82例患者出现早期阳性征象，其中大脑中动脉密度增高出现率76%，局部脑组织肿胀、脑沟变浅消失出现率57%，脑实质局部密度降低出现率24%，岛带消失出现率43%。63例患者同时伴两种或三种阳性体征。结论：大脑中动脉密度增高、局部脑组织肿胀、脑实质局部密度降低和岛带消失征象有助于脑梗死早期CT诊断。

    关键词：脑梗死；影像学诊断；CT

    Abstract：Objective:to study the CT to early cerebral infarction diagnostic value. Methods: the data of 90 cases were analyzed retrospectively 24 h after onset of CT in performance. Results:82 cases in early positive signs, of which the brain artery density rate 76% higher appear, local brain swelling, brain becomes shallow ditch disappeared appear rate 57%, cerebral essence reduce local density in rate was 24%, with 43% rate disappeared appear island. Conclusion:cerebral artery gained density, local brain swelling, parenchymal local density lower and the islands disappear with signs help cerebral infarction early CT diagnosis.

    Key words：early; Cerebral infarction; CT; diagnosis

    【中图分类号】R814.42 【文献标识码】B 【文章编号】1672-3783(2012)06-0140-01

    脑梗死是临床常见的缺血性脑血管疾病 ......