表明CT扫描能充分显示前筛窦气房的气化变异及其邻近结构的影像学特征。
The result shows that CT can display the sub-group and the type of the anterior ethmoid sinus and its adjacent structures clearly.
目的：为了了解后筛窦气化发育对前颅底外科及蝶鞍区手术的影响及术前指导意义。
Objective: To find out the influence of development of the posterior ethmoid sinus on surgical approach via saddle area.
结论：后筛窦影像解部分型分度对前颅底外科及蝶鞍区手术具有实际的指导意义。
Conclusion: the imaging anatomic classification of posterior ethmoid sinus has the instructive significance for basicranial surgery and the surgical approach via saddle area.
后组筛窦的气房一般大而宽，在数量上也少于前组筛窦，容易确定。
The posterior ethmoid cells are easily identified as they are larger, wider, and fewer in number than anteriorly.
结果全中甲或中甲下部气化的发生率随前筛、上颌窦内软组织影增厚而升高；
Results The penumatization rate of total or inferior part of middle turbinate correlated positively to the inflammation of anterior ethmoid and maxillary sinuses.
结果全中甲或中甲下部气化的发生率随前筛、上颌窦内软组织影增厚而升高；
Results The penumatization rate of total or inferior part of middle turbinate correlated positively to the inflammation of anterior ethmoid and maxillary sinuses.
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