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目的探讨16层螺旋CT(16-MSCT)血管成像技术在主动脉夹层诊断中的应用价值。方法对13例主动脉夹层患者进行16层螺旋CT扫描,用CT自带软件V itrea2三维重组软件,血管成像(CTA)方法包括多平面重组(MPR)、最大密度投影(M IP)、遮盖表面显示(SSD)、容积再现(VR)。结果16层螺旋螺CT能准确显示动脉内膜剥脱的范围及其与各分支血管的关系,真假腔形态、大小及破口位置的显示。结论16层螺旋CT及血管成像技术能快速、准确、无创地诊断主动脉夹层,对临床医生的治疗方法提供重要的参考。
Objective To investigate the value of 16-MSCT angiography in the diagnosis of aortic dissection. Methods Thirteen patients with aortic dissection were scanned with 16-slice spiral CT. The software Vitorea2 was used to perform CT angiography (CTA), including multiplanar reconstruction (MPR), maximum density projection (MIP) Display (SSD), Volume Reproduction (VR). Results 16-slice spiral CT can accurately show the scope of arterial endarterectomy and its relationship with the branch vessels, the true and false lumen morphology, size and location of the incision. Conclusion The 16-slice spiral CT and angiography can diagnose aortic dissection quickly, accurately and noninvasively, which provides an important reference for clinicians to treat.