Method: 32 cases with maxillary sinus cyst were treated by nasal endoscopy in intranasal antrostomy.

• 方法:于鼻窦内窥镜下行中鼻道开窗、下鼻道开窗及中鼻道、下鼻道联合开窗术治疗上颌窦囊肿32例。