Results Specific signs emerged as true and false double aortic lumen in 23 patients, endodermis injured in 18 patients, intraluminal thrombus in 11 patients and 1 person with thorax.

• 结果23例显示主动脉内膜片及其分隔的真假腔,18例显示内膜破口和再破口,假腔内附壁血栓形成11例,合并胸腔积液1例。