摘要
目的 探讨AdvantageWindows 3 1(AW 3 1)工作站对鼻额区域解剖特征研究的价值 ;研究与额窦手术相关的鼻额区域CT影像学特征。方法 对 80例 [慢性鼻 鼻窦炎 5 0例 (10 0侧 ) ,健康对照组 30例 (6 0侧 ) ;5 0例慢性鼻 鼻窦炎中额窦炎 35例 (6 6侧 ) ]成人采用螺旋CT鼻窦水平位扫描后进行冠状位、矢状位重建 ,观察和测量鼻额区域相关结构。结果 应用AW 3 1工作站能够准确、快捷地观测以下数据 :额窦上下径 (2 2 5± 8 6 )mm、前后径 (16 3± 6 8)mm、左右径 (2 3 8±9 8)mm ;额窦口前后径 (7 3± 1 7)mm、左右径 (8 5± 1 9)mm ;额骨鼻突厚度 (5 9± 1 4 )mm ;额窦口到鼻小柱基底部的距离及其与鼻底角度分别为 (6 0 8± 4 2 )mm和 (70 1± 4 7)°。钩突上端附着有 5种方式 ,即纸板型占 4 1%、鼻丘后壁型占 11%、中鼻甲型占 19%、前颅底型占 16 %、钩突分叉型占13%。引起额隐窝狭窄的气房 :终末气房 38 8%、前筛气房 2 7 6 %、鼻丘气房 2 4 5 %。额窦内气房 :额气房 32 7%、眶上气房 38 8%、额窦中隔气房 32 0 %。额窦炎组和对照组中引起额窦引流通道狭窄部分气房的差异有显著性。结论 AW 3 1工作站能对鼻额区域解剖结构做出准确、合理的术前评估 ,对额窦手术具有一定的指导意义。
Objective To evaluate the value of Advantage Windows 3.1(AW 3.1) software for anatomical study of nasofrontal region, and to study the CT characteristics of nasofrontal region which related to the frontal sinus surgery. Methods Eighty patients underwent axial consecutive computed tomography scans and these data were studied with AW 3.1 software which provided reconstructional imaging of continuous coronal, sagittal, axial sections. Some related structures of nasofrontal region were studied and measured. Results AW 3.1 sofeware could identify and measure the following structures accurately:① The diameter of frontal sinus was (22.5±8.6) mm in height, (16.3±6.8) mm in depth, (23.8±9.8) mm in breadth. ② The diameter of frontal sinus ostium : the anterior-posterior diameter was (7.3 ±1.7) mm, the transverse diameter was (8.5±1.9 ) mm.③ The width of nasal beak of frontal bone(5.9±1.4 ) mm. ④ The distance of frontal sinus ostium to the floor of columella nasi and the corresponding angle to the nasal floor were (60.8±4.2) mm and (70.1±4.7)°. ⑤The superior attachment sites of the uncinate process were as follows : lamina papyracea 41%, posteromedial wall of agger nasi cell 11%, middle turbinate 19%, anterior skull base 16%, superior bifurcation 13%. ⑥The cells could impinge on the frontal recess to cause obstruction(terminal recess 38.8%, anterior ethmoid cell 27.6%, agger nasi cells 24.5%). ⑦The accessory cells could impinge on the frontal sinus (perifrontal cells 32.7%, superaorbital cells 38.8%, intersinus septal cells 32.0%). ⑧There was significant difference between two groups of characteristics of nasofrontal region. Conclusions AW 3.1 software is a helpful and powerful new tool for anatomical study of nasofrontal region and for preoperative evaluation. The structures of nasofrontal region are complex and various, frontal sinusitis almost always results from the obstruction of frontal sinus outflow tract. These results of anatomical study of nasofrontal region are helpful in directing the functional endoscopic surgery in frontal sinus.
出处
《中华耳鼻咽喉科杂志》
CAS
CSCD
北大核心
2004年第6期349-352,共4页
Chinese Journal of Otorhinolaryngology
