近年来,随着 CT 逐渐普及,使胸部外伤的检出率大幅度提高。胸部创伤一般分钝伤和穿透伤。目前胸片仍是胸部外伤的常规检查方法,但是 CT 检查胸部创伤有其独到之处。复习文献,将 CT 和 X 线平片在胸部创伤诊断中的应用比较如下。1 胸壁1.1 骨性胸廓 50%严重胸部损伤患者有肋骨骨折,第5～9肋骨较常发生。10%～50%肋骨骨折在传统胸片上不能发现,CT 不仅能显示骨折,还能显示其并发症如血胸和气胸,特别对重要的第一、二肋骨骨折,以及可能合并的远侧气管、主 In recent years, with the gradual popularization of CT, the detection rate of chest trauma has been greatly improved. Chest trauma is generally divided into blunt trauma and penetrating wounds. Chest radiographs are still routine tests of chest trauma, but CT has its own uniqueness in detecting chest trauma. Review the literature, the CT and X-ray film in the chest trauma diagnosis of the application is as follows. 1 chest wall 1.1 bony thorax 50% of patients with severe chest injury rib fractures, ribs 5 to 9 occur more often. Fractures of 10% to 50% of the ribs can not be found on traditional chest radiographs. CT not only shows fractures, but also shows complications such as hemothorax and pneumothorax, especially for first and second rib fractures, and possible distal trachea ,the Lord