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目的 :为临床开展鼻窦内窥镜手术提供外科手术解剖学依据。方法 :在 2 0具 40侧经防腐处理的完整成人尸头标本上观测鼻丘气房的大小及其相关临床数据。结果 :鼻丘气房的最大前后径为 (8.4±1.4)mm(6.0～ 11.0mm) ;最大上下径为 (10 .8± 2 .3 )mm(7.0～ 16.0mm) ;鼻丘骨壁的厚度为 (0 .1± 0 .1)mm(0 .1～ 0 .5mm) ;鼻丘中心至前鼻棘的距离为 (3 9.9± 2 .9)mm(3 4.0～ 46.0mm) ;其连线与鼻底平面间的夹角为 (77.3± 6.6)°(65 .0～ 90 .0 )°。结论 :鼻丘气房的发育大小是影响额窦引流的主要解剖因素 ,了解鼻丘气房的解剖是手术成功的关键
Objective: To provide surgical anatomy basis for the clinical operation of endoscopic sinus surgery. Methods: The nasopharyngeal air sac size and its related clinical data were observed on 40 adult intact cadaver specimens with 40 sides. Results: The maximal anteroposterior diameter of the nasal cavity was (8.4 ± 1.4) mm (6.0 ~ 11.0mm) and the maximum diameter was (10.8 ± 2.3mm) (7.0 ~ 16.0mm) The thickness was (0 .1 ± 0 .1) mm (0 .1 ~ 0 .5mm). The distance from the center of the nodule to the anterior nasal spine was (39.9 ± 2.9) mm (4.0 ~ 46.0mm) The angle between the line and the floor of the nose is (77.3 ± 6.6) ° (65.0 ~ 90.0) °. Conclusion: The developmental size of the nasal cavity is the main anatomic factor affecting the frontal sinus drainage. Understanding the anatomy of the nasal cavity is the key to successful operation