Objective To investigate the clinical manifestations and diagnosis of traumatic aortic dissection.Methods To summarize the clinical data of 9 cases of traumatic AD by analyzing the clinical characteristics,imaging diagnosis,treatment and effect.Results The clinical manifestations of 9 cases of traumatic AD are various with other associated symptoms.The diagnostic accordance rate of CTA is 100%.The therapies of AD include the active control of blood pressure,surgery and stent implantation.Conclusion Early di...