蝶窦和筛窦关系的螺旋CT观察

Observation relationship of ethmoid cell and sphenoid sinus with use of spiral CT

关键词:  蝶窦  筛窦  螺旋CT

Key words:  ethmoid sinus  sphenoid sinus  spiral CT

摘要:

［目的］观察筛窦和蝶窦间的解剖关系和类型, 为鼻内窥镜手术提供相关的诊疗数据。［方法］ 对100例行椎动脉造影增强的病人鼻窦区进行CT水平位扫描，并利用工作站三维软件进行多平面重建（MPR），给蝶窦筛窦进一步分型，观察两者的比邻关系。 ［结果］根据筛窦与蝶窦的关系，将筛窦分为蝶前型131例（65.5%）、蝶上型 69例（34.5%）；根据气化程度，将蝶窦分为未发育型（0%）、甲介型（0%）、鞍前型（7%）、半鞍型（25%）、全鞍型（20%）、枕鞍型（48%）。［结论］ 螺旋CT扫描结合多平面重建可对蝶筛毗邻关系及蝶窦筛窦的发育情况作出准确合理的术前评估，对鼻内窥镜手术治疗具有指导意义。

Abstract:

［Objective］ To study the anatomical relationship and types ethmoid sinus and sphenoid sinus with spiral CT, and provide relevant data for diagnosis and surgery operation. ［Methods］ One hundred patients whose vertebra artery was showed with Angiografin underwent axial consecutive computed tomography and these data were studied with multiplanar reformation. ［Results］Based on the relation of ethmoid sinus to sphenoid sinus, the ethmoid sinus was divided into anterosphenoid types 131 cases (65.5%), and supersphenoid 69 cases (34.5%) types. Based on the development of sphenoid sinus, sphenoid sinus was divided into no-develop type 0 case (0%), shell type 0 case (0%), anterior-saddle type 7cases(7%), semi-saddle type 25 cases (25%), whole-saddle type 20 cases (20%) and occipital- saddle type 48 cases (48%). ［Conclusions］ MPR in spiral CT is not only helpful and powerful tool for the anatomical study of the relationgship of ethmoid sinus and sphenoid sinus but also a good way to reveal the development of ethmoid sinus and sphenoid sinus, it could provide accuracy preoperationary evaluation, these results of anatomical study are helpful in directing the functional endoscopic surgery.