目的探讨螺旋CT对主动脉夹层动脉瘤的诊断价值。
Objective To evaluate the diagnosis of aortic dissection with spiral ct.
目的：探讨CT扫描对主动脉夹层动脉瘤的诊断价值。
Objective: To evaluate the diagnoses of dissecting aneurysms of aorta with CT scan.
目的评价彩超对主动脉夹层动脉瘤（ADA）的诊断价值。
Objective To evaluate the diagnostic value of color Doppler flow image(CDFI)for aortic dissecting aneurism(ADA).
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