颅脑外伤是创伤外科常见的突发病,严重者常危及患者的生命。进行CT检查是目前最常用、最有效的诊断方法之一。随着CT的广泛应用,颅脑外伤的诊断速度和确诊率显著提高,死亡率明显降低[1]。由于颅脑损伤病情瞬息万变,不及时诊断、治疗,其死亡率较高。少数患者CT表现与临床病情不尽一致,部分可出现迟发性颅脑损伤,首次CT Craniocerebral trauma is a common disease in traumatic surgery, and serious patients often endanger the life. CT is one of the most commonly used and effective diagnostic methods. With the wide application of CT, the diagnostic rate and the diagnosis rate of craniocerebral trauma have been significantly increased, and the mortality rate has obviously decreased [1]. Due to rapid changes in the condition of brain injury, not timely diagnosis and treatment, the higher the mortality rate. A small number of patients with clinical manifestations of CT performance is not consistent, in part, there may be delayed traumatic brain injury, the first CT