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目的 :提高对外伤后迟发性蛛网膜下腔出血的CT诊断率。材料与方法 :收集 4 0例 ,均为外伤 ,所有病例作过二次以上CT检查 ,对前后所摄X线片进行了对照分析。结果 :外伤后迟发性蛛网膜下腔出血 ,早期征象是脑肿胀 ,典型CT表现是纵裂池内高密度影。结论 :外伤后三天以内CT复查能对迟发性蛛网膜下腔出血能作出正确诊断
Objective: To improve the diagnosis of delayed traumatic subarachnoid hemorrhage CT. Materials and Methods: 40 cases were collected, all of them were traumatic. All the cases were examined twice or more by CT, and the radiographs taken before and after were analyzed comparatively. Results: Delayed subarachnoid hemorrhage after trauma, early signs of swelling of the brain, the typical CT performance is a high density of longitudinal split pool shadow. CONCLUSION: CT review within three days after trauma can correctly diagnose delayed subarachnoid hemorrhage