著者对196例5月～76岁的脑外伤患者分别行1～6次的CT检查以确定患者的受伤部位,颅脑损伤的实质及可能的机制。幕上检查取眶-外耳孔连线与水平线呈10～15°夹角切面。幕下检查取额状及矢状投影面。为估价血脑屏障状态及脑挫伤灶,常静脉注入76％泛影 The author of 196 cases of May to 76-year-old traumatic brain injury patients were 1 to 6 times CT examination to determine the patient’s injured site, the essence of the brain injury and possible mechanisms. Check on the screen to take orbital - external ear hole connection with the horizontal line was 10 ~ 15 ° included angle section. Check under the screen to take the amount of shape and sagittal projection surface. To assess the status of the brain-blood-brain barrier and brain contusion, intravenous infusion of 76% of the pan-imaging