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颈静脉窝高分辨CT测量

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摘要 目的:在HRCT上测量正常成人活体葫静脉窝相关数据,并探讨其临床价值。材料和方法:对110例健康成人在横断位和冠状位上行CT扫描并测量颈静脉窝解剖径线及其与毗邻结构的距离。结果:①横断位圆窗层面:颈静脉窝最大左右径LR为11.09±1.23mm,最大前后径AP为8.24±0.91mm。②冠状位颈静脉窝最大层面:岩枕裂至颈静脉突游离缘的距离AB值为10.82±1.19mm,颈静脉窝顶至AB线距离CD值为8.48±1.35mm。③横断位颈静脉窝与毗邻结构距离分别为(1)左侧:蜗窗层面颈静脉窝与蜗窗最短距离RW为3.99±0.55mm,与耳蜗底周最短距离BTC为3.88±0.72mm;前庭窗层面颈静脉窝与前庭窗最短距离OW为7.61±1.24mm;面神经鼓室段层面颈静脉窝与面神经鼓室段最短距离TSF为8.33±0.94mm。(2)右侧:蜗窗层面颈静脉窝与蜗窗最短距离RW为3.08±0.39mm,与耳蜗底周最短距离BTC为2.90±0.44mm,前庭窗层面颈静脉窝与前庭窗最短距离OW为6.23±1.17mm,面神经鼓室段层面颈静脉窝与面神经鼓室段最短距离TSF为6.04±1.11mm。④冠状位颈静脉窝与以下结构距离分别为:后半规管层面颈静脉窝与后半规管最短距离PSC左侧为2.87±0.50mm,右侧为2.26±0.32mm;蜗窗层面颈静脉窝与蜗窗最短距离RW左侧为5.59±0.82mm,右侧为4.78±0.61mm;面神经乳突段层面颈静脉窝与面神经乳突段最短距离MSF左侧为4.98±0.70mm,右侧为4.52±0.41mm。结论:HRCT能够清晰显示颈静脉窝及毗邻的解剖结构,为临床提供影像学依据。
出处 《医用放射技术杂志》 2006年第6期7-10,共4页 Journal of Medical Radiology Technology
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