To ensure ethmoid sinus and maxillary sinus orifice complete epithelization.
保证筛窦腔和上颌窦开口手术区完好的上皮化；
Objective: To study the pneumatization of the supraorbital cell of frontal-ethmoid sinus.
目的：观察额窦、筛窦气房向眶顶气化情况。
The ethmoid sinus is the most common location, followed by the maxillary, frontal, and sphenoid sinuses.
筛窦是最常见的发病部位，接下来是上颌窦、额窦及蝶窦。
Objective: Provide image anatomy basis of the ultimate ethmoid sinus for the surgical approach via saddle area.
目的：为临床开展鞍区手术提供一组最后筛房的影像解剖资料。
Objective: To find out the influence of development of the posterior ethmoid sinus on surgical approach via saddle area.
目的：为了了解后筛窦气化发育对前颅底外科及蝶鞍区手术的影响及术前指导意义。
The ethmoid sinus presented at birth and its appreance were not synchronous, but their location were relatively invariable.
各组筛窦在发生时间上不同步，但其位置则相对恒定。
The result shows that CT can display the sub-group and the type of the anterior ethmoid sinus and its adjacent structures clearly.
表明CT扫描能充分显示前筛窦气房的气化变异及其邻近结构的影像学特征。
Objective: To explore anatomical variations of the anterior ethmoid sinus in Chinese people and to provide reference for clinical management.
目的：探讨国人前组筛窦的相关解剖变异，为临床手术提供参照数据和资料。
Results Paranasal sinus malignant tumor root mainly in maxillary sinus 17 cases (54.8%), then ethmoid sinus 10 cases (32.3%), and frontal sinus 4 cases (12.9%).
结果：鼻窦恶性肿瘤多原发于上颌窦17例(54.8%)，其次是筛窦10例(32.3%)和额窦4例(12.9%)。
FESS had obvious advantage, such as cleaning of affected tissue in ethmoid sinus or sphenoid sinus with mycosis, postoperative nursing of sinus cavity and so on.
柯-陆氏手术是本病的主要治疗选择，而鼻内窥镜手术在清理筛窦或蝶窦病变组织及术后窦腔护理有明显的优点。
Tumor invasion involved nasal cavity and ethmoid sinus(13 cases), maxillary sinus (12 cases), sphenoid sinus(10 cases), frontal sinus (2 cases), orbit (7 cases).
病灶侵犯鼻腔与筛窦13例，上颌窦12例，蝶窦10例，额窦2例，眼眶7例，颅内3例，颌面部2例。
Objective To evaluate the therapeutic effects of the double approaches of the ethmoid sinus under nasal endoscope and the subciliary incision on orbital blowout fracture.
目的评价经睫下皮肤切口与鼻内窥镜下经筛窦联合入路行眶爆裂性骨折整复术的应用效果。
Conclusion: the imaging anatomic classification of posterior ethmoid sinus has the instructive significance for basicranial surgery and the surgical approach via saddle area.
结论：后筛窦影像解部分型分度对前颅底外科及蝶鞍区手术具有实际的指导意义。
When disease involves the sphenoid, the sinus can be penetrated either intranasally or through the posterior ethmoid.
当病变累及蝶窦，可以经鼻内和后组筛窦进入蝶窦。
When disease involves the sphenoid, the sinus can be penetrated either intranasally or through the posterior ethmoid.
当病变累及蝶窦，可以经鼻内和后组筛窦进入蝶窦。
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