作者认为，慢性鼻窦炎是由于窦口鼻道复合体阻塞，通气引流障碍所引起；
We believe that the chronic paranasal sinusitis was caused by the obstruction of ostiomeatal complex;
粘液囊肿是副鼻窦内一种包裹性，膨胀性囊性病变，是由于鼻旁窦窦口被阻塞所引起。
Mucoceles are encapsulated, expansile fluid collections in the paranasal sinuses which occur due to obstruction of a paranasal sinus ostium.
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