Methods: Computed tomography angiography (CTA), magnetic resonance imaging (MRA)or digital subtraction angiography (DSA) were used as preoperative evaluation methods of thoracic aortic dissection aneurysm.

• 方法：螺旋CT血管造影(CTA)、磁共振造影(MRA)、数字减影血管造影(DSA)确诊胸主动脉夹层动脉瘤。