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多层螺旋CT血管成像在头颈部动脉狭窄与闭塞中的应用 被引量:1

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摘要 目的探讨多层螺旋CT血管成像(CTA)在头颈部动脉慢性狭窄性病变诊断中的应用。方法将42例可疑头颈部动脉慢性狭窄性病变的患者进行多层螺旋CT血管成像(CTA)检查,对双侧椎动脉(VA)、双侧颈总动脉及颈内动脉(ICA)以及大脑前动脉(ACA)、大脑中动脉(MCA)和大脑后动脉(PCA)分别进行曲面重建(CPR)、容积再现(VR)、最大密度投影(MIP)等多种后处理并结合原始图像进行综合分析。结果42例的动脉重建图像对动脉硬化、狭窄、闭塞有特征性显示,其中17例患者经DSA证实。结论多层螺旋CT血管成像(CTA)可直观显示动脉的异常改变,提供血管狭窄部位、程度、侧支循环情况等有价值的诊断信息,对指导临床医师选择最佳治疗方案及观察、判断疗效具有非常重要的意义。
出处 《医药论坛杂志》 2009年第22期71-72,74,共3页 Journal of Medical Forum
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