Zhang Luo, Han Demin, Ge Wentong, Tao Jianhua, Wang Xianzhong, Li Yunchuan, Zhou Bing
Beijing Institute of Otolaryngology, Beijing TongRen Hospital, Capital Medical University, Beijing, PR China.
Otolaryngol Head Neck Surg. 2007 Oct;137(4):562-8. doi: 10.1016/j.otohns.2007.06.737.
The aim of this study is to look at the incidence of supraorbital ethmoid cells (SOEC) in normal Chinese subjects by using spiral computed tomography (CT) scanning. In addition, subjects with chronic rhinosinusitis with SOEC were reviewed for endoscopic analysis.
A total of 202 normal Chinese subjects underwent spiral CT. Meanwhile, a retrospective review of patients who had undergone endoscopic sinus surgery over a 1-year period was conducted.
SOEC showed an incidence of 5.4% (22 sides), and all of them arose from the anterior ethmoid cells. On coronal CT, an SOEC might give the appearance of multiple frontal sinuses, type III frontal cells, suprabullar cells, frontal bullar cells, interfrontal septal cells, or that there was a septation present within the frontal sinus. Meanwhile, 11 chronic rhinosinusitis patients with 12 SOEC were identified.
A thorough knowledge of endoscopic anatomy and CT of the frontal recess and various fronto-ethmoid cells were required for safe dissection of the SOEC and frontal ostium.
本研究旨在通过螺旋计算机断层扫描（CT）观察正常中国受试者眶上筛窦气房（SOEC）的发生率。此外，对患有SOEC的慢性鼻窦炎患者进行了内镜分析。
共有202名正常中国受试者接受了螺旋CT检查。同时，对1年内接受鼻内镜鼻窦手术的患者进行了回顾性研究。
SOEC的发生率为5.4%（22侧），均起源于前筛窦气房。在冠状位CT上，SOEC可能表现为多个额窦、III型额窦气房、泡上气房、额泡气房、额间间隔气房，或者额窦内存在分隔。同时，确定了11例患有12个SOEC的慢性鼻窦炎患者。
为安全解剖SOEC和额窦开口，需要全面了解额隐窝和各种额筛气房的内镜解剖结构和CT表现。
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