Conclusions Color Doppler ultrasonography is useful in diagnosis of aortic dissective aneunysm and can be used as the preferred diagnostic technique.

• 结论彩色多普勒血流显像对主动脉夹层的诊断及鉴别诊断有重要临床意义，可作为确诊和筛查主动脉夹层的首选诊断技术。