CT检查硬膜外血肿窗口技术的灵活应用与注意事项

CT Scan Epidural Hematoma Window of the Flexible Application of Technology and Attention to Issues

目的:提高对颅脑硬膜外血肿的CT诊断准确率,选择适合观察急性硬膜外血肿的窗位和窗宽。材料与方法:收集2001年12月—2008年5月头颅CT检查存档照片共计105例,并对105例CT诊断硬膜外血肿照片,进行了血肿的大小测量统计和分析。常规颅脑扫描体位和扫描参数。结果:CT检查头颅外伤患者或硬膜外血肿时,枕部后颅窝层面应选择窗宽120-150Hu;颞顶部为95-120Hu;顶部为150-300Hu;其窗位为30-40Hu为最佳选择。结论:应用CT"边缘强化"功能和适当调高窗位、窗宽,能使急性硬膜外血肿清晰显示,能提高CT对颅脑血肿的定位、定性诊断符合率。

Purpose：To improve the epidural hematoma of the brain CT diagnostic accuracy rate,choose epidural hematoma with acute observation of the windows and window width.Materials and Methods：December 2001-May 2008 head CT scan archive photos Total 105 cases and 105 cases of CT diagnosis of epidural hematoma photo,a hematoma the size of statistical measurement and analysis.Conventional brain scan position and scanning parameters.Results：CT examination in patients with head trauma or epidural hematoma,the occipital posterior fossa level should choose window width 120-150Hu;temporal to the top of 95-120Hu;at the top of 150-300Hu;their window for the 30-40Hu As the best choice.Conclusion：CT ＂strengthen the brink of＂ functional and appropriate increase the window,the window wide,and make clear acute epidural hematoma,CT can improve the positioning of the brain hematoma,the diagnosis rate.