山东大学耳鼻喉眼学报

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蝶窦、视神经管多层螺旋CT三维重建后的影象解剖学测量

刘丽庭, 仇沂洲, 刘丹, 王绍美, 王琦, 韩在文   

  1. 潍坊医学院附属潍坊市人民医院耳鼻咽喉科, 山东 潍坊 261041
  • 收稿日期:2006-06-29 修回日期:1900-01-01 出版日期:2006-08-24 发布日期:2006-08-24
  • 通讯作者: 刘丽庭

Imaging anatomy of the sphenoid sinus and optic canal with 3D reconstruction of MS CT

LIU Li-ting,QIUYi-zhou, LIU Dan, WANG Shao-mei,WANG Qi,HAN Zai-wen   

  1. 1.Department of Otolaryngology, Weifang People′s Hospital, Weifang 261041, Shandong, China; 2.Department of Eye, ear, nose and throat, People′s Hospital of Hanting District, Weifang 261100,
  • Received:2006-06-29 Revised:1900-01-01 Online:2006-08-24 Published:2006-08-24
  • Contact: LIU Li-ting

摘要: 目的:为经鼻内镜蝶窦手术、视神经管减压术提供影象解剖学基础。方法:利用螺旋CT三维重建技术对40例(80侧)鼻、鼻窦正常的受试者行蝶窦、视神经管有关解剖数据的影象学测量。结果:两侧视神经管各壁长度均值为:内侧壁12.08±0.62?mm,外侧壁10.16±1.73?mm,上壁9.16±1.17?mm,下壁10.24±1.35?mm。两侧视神经管及蝶窦有关径线均值为:视神经管颅口处:左右径5.57±0.95?mm,上下径4.53±0.78?mm;中部:左右径4.40±0.67?mm,上下径4.36±0.67?mm;眶口处:左右径5.09±0.85?mm,上下径5.90±0.98?mm;鼻小柱前缘中点到蝶窦前壁中点的距离:7.08±0.54?cm;蝶窦最大左右径:17.83±4.38?mm,最大上下径:18.40±3.76?mm,最大前后径:23.19±6.73?mm。结论:螺旋CT三维重建技术可以准确有效地测量蝶窦、视神经管的解剖结构,对经鼻内镜手术具有重要指导价值。

关键词: 视神经管, CT扫描, 影象解剖学, 蝶窦

Abstract: To probe into the normal imaging anatomy of the sphenoid sinus and optic canal and its clinical significance. Methods: The sphenoid sinuses and optic canals of 40 normal subjects were examined by MS CT through threedimensional reconstruction method. Results:The length of medial wall, lateral wall ,roof and floor of the optic canal was 12.08±0.62?mm, 10.16±1.73?mm, 9.16±1.17?mm, and 10.24±1.35?mm, respectively. The width and the height of the intracranial opening ,middle portion, and the intraorbital opening of the optic canal was 5.57±0.95 mm and 4.53±0.78mm,4.40±0.67?mm and 4.36±0.67?mm, 5.09±0.85?mm and 5.90±0.98?mm, respectively. The distance between the anterior edge of the nasal columella and the middle portion of sphenoid sinus was 7.08±0.54?cm. The maximum transversal diameter of the sphenoid sinus was 17.83±4.38?mm, the maximum vertical diameter was 18.40±3.76?mm, the maximum sagittal diameter was 23.19±6.73?mm. Conclusions: The imaging anatomy of optic canal and sphenoid sinus could be accurately and easily measured by means of threedimentional reconstruction of MS CT, which is of great value to the nasal endoscopic operation of this area.

Key words:

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