The optic canal protrudes into ethmoidal and sphenoid sinuses.
内侧壁向筛窦、蝶窦内突入形成视神经管隆凸。
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: We observed 3 ~ 5 years follow uip results of the patients with mucoceles of sphenoid frontal and ethmoid sinuses on the marsupialization using nasal endoscope.
目的：应用鼻内窥镜对蝶、额、筛窦粘液囊肿的病人施行袋状化手术，分别随访3 ~ 5年，观察治疗结果。
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