胸主动脉夹层动脉瘤及其破裂是死亡率极高的凶险疾病,在现代医疗技术条件下,对其进行及时CT检查诊断具有重要意义。既往文献对胸主动脉夹层动脉瘤论述较多[1,2]。本人研究分析本院近5年CT诊断4例胸主动脉夹层破裂的CT和临床表现,报告如下。1资料与方法1.1一般资料男2例,女2例,年龄49～57岁,高血压病 Thoracic aortic dissection aneurysm and its rupture is a highly dangerous and dangerous disease, under the condition of modern medical technology, it is of great significance for timely diagnosis of CT. Previous literature on the thoracic aortic dissection aneurysm more [1,2]. I study the hospital in the past 5 years CT diagnosis of 4 cases of thoracic aortic dissection CT and clinical manifestations are as follows. 1 Materials and Methods 1.1 General Information 2 males and 2 females, aged 49 to 57 years old, hypertension