摘要目的 研究国人筛骨垂直板的形态结构及解剖学参数,探讨其安全截取范围.方法 2015年6月至2016年6月按要求选取64例中国健康汉族公民,利用64排螺旋CT进行副鼻窦检查,并通过Mimics 17.0软件对于筛骨垂直板进行三维重建并测量其面积、长度、高度、厚度.通过SPSS 22.0软件对相关测量数据进行统计学分析,并通过t检验进行比较.结果 筛骨垂直板前缘长度为(28.58±2.91)mm,下缘长度为(26.17±5.76)mm,后缘长度为(19.84±3.17)mm.前缘上1/6、1/2、5/6处厚度分别为(3.07±0.72)mm、(3.09±0.73)mm、(1.75±0.55)mm,下缘厚度分别为(1.96±0.62)mm、(1.94±0.73)mm、(1.87±0.67)mm.筛骨垂直板中下1/3段的前缘长度为(10.04±2.39)mm,筛骨垂直板中下1/3段的上缘长度为(35.31±6.52)mm,筛骨垂直板中下1/3段面积为(474.09±109.60)mm2,筛骨垂直板总面积为(1057.85±184.38)mm2,筛骨垂直板中下1/3段面积与整个筛骨垂直板的面积比为0.45±0.07.结论 筛骨垂直板中下1/3段厚度比上段薄,且远离颅底,易切取,可满足临床相关手术的应用.

abstractsObjective To investigate the morphology and structure of the perpendicular plate of ethmoid and measure its anatomical parameters among Chinese population. To discuss the safety range of harvesting perpendicular plate of ethmoid in rhinoplasty. Methods Sixty-four healthy Chinese were included in accordance with certain requirements and their paranasal sinus was examined using 64 slices computed tomography (CT). The three-dimensional (3D) structure of their perpendicular plate of ethmoid was reconstructed, and the area, length, height and thickness were measured by Mimics 17. 0 software. Statistical analysis was completed by SPSS 22. 0 software and was checked out by t-test. Results According to the result from 3D anatomical analysis, the length of the anterior border of perpendicular plate of ethmoid was (28. 58 ± 2. 91) mm, the inferior border was (26. 17 ± 5. 76) mm and the posterior border was (19. 84 ± 3. 17) mm. The thickness of the anterior border three sections were (3. 07 ± 0. 72) mm, (3. 09 ±0. 73) mm and (1. 75 ± 0. 55) mm respectively. The thickness of the inferior border in three sections were (1. 96 ± 0. 62) mm, (1. 94 ± 0. 73) mm and (1. 87 ± 0. 67) mm, respectively. The length of the middle and lower third of the perpendicular plate of ethmoid anterior border was (10. 04 ± 2. 39) mm. As to the superior border, the length was ( 35. 31 ± 6. 52 ) mm. The total area of the perpendicular plate of ethmoid was (1057. 85 ± 184. 38) mm2 , the lower section area was (474. 09 ± 109. 60) mm2 , and the ratio of middle and lower third to the total area was 0. 45 ± 0. 07. Conclusions The thickness of the lower 1/3 segment of the vertical plate of the ethmoid bone is thinner than that of the upper segment, and it is far away from the skull base, which is easily to harvest and meet the application in surgery.