摘要
目的:探讨64层CTA在头颈部血管中的诊断价值。方法:收集头颈部血管CTA200例,采用最大密度投影MIP、容积再现VRT、多平面重组MPR及Inspace软件中的减影技术进行三维重建,多角度观察,其中92例有MR、DSA及手术资料,采用双盲法,比较各种影像效果,总结出64层CTA的优缺点。结果:64层CTA用药少、辐射剂量小、扫描及成像速度快,图像清晰、立体感强并可任意方向旋转观察。VRT和MIP是最常用的方法,Inspace软件的减影技术能显示头颈部血管的全貌。结论:64层CTA可作为头颈部血管病变的常规筛选方法,可以普及使用。
Objective： To investigate the 64-slice CTA in the head and neck in the diagnosis of blood vessels. Methods： Cases of head and neck vascular CTA200 using maximum intensity projection MIP, volume rendering VRT, MPR and MPR software Inspace subtraction three-dimensional reconstruction techniques, multi-angle observations, of which 92 cases have MR, DSA and surgical information using double-blind comparison of various video effects, summed up the advantages and disadvantages of 64-slice CTA. Results： The 64-slice CTA less medication, small doses of radiation, scanning and imaging speed, image clarity, three-dimensional sense, the direction of rotation can be observed. VRT and MIP is the most commonly used method, Inspace Subtraction software can display the picture of the head and neck blood vessels. Conclusion： The 64-slice CTA can be used as head and neck vascular lesions of conventional screening methods can be widely used.
出处
《CT理论与应用研究（中英文）》
2009年第3期96-101,共6页
Computerized Tomography Theory and Applications
关键词
64层
CTA
头颈部血管
64-slice
CTA of head and neck vessels
