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寰椎沟桥的 MSCT VRT 观察分析

Journal of Practical Radiology(2015)

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Abstract
目的:拓展 MSCT 对寰椎沟桥(沟桥)的观察、认识,丰富其诊断内容,提高诊断水平。方法使用容积再现(VRT)后处理技术对263例头颈部 MSCT 检查的平扫图像进行重建,重点对寰椎后弓进行观察分析。结果本组发现69例沟桥(97侧),其中41例单侧,28例双侧;单纯沟桥(82侧),按发生位置分为后桥(PP)60侧、侧桥(PL)15侧、边桥(PB)5侧、中桥(PM)2侧,按形态分单突型43侧、吻状突型21侧、完整型18侧;复合桥15侧。结论MSCT VRT 图像可清晰、直观地显示沟桥,为沟桥诊断及分型提供可靠影像学依据,可作为沟桥检查的理想方法。
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Key words
the ponticulus of atlas,computed tomography,volume rendering technique
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