The sensitivity, specificity and accuracy of 3D DCE MRA were 100%, 100% and 100% for aorta.

• 主动脉系统、颈动脉系统、门静脉系统及周围血管系统各组3D DCE MRA诊断的敏感度、特异度和准确度分别为100%25、100%25和100%25；