the operation is simple and cheap:with little injury and no scar on the face and it keeps sinus mucosus function.So marsupialization is of choice method for sinus mucoceles.

• 结论：应用鼻内窥镜施行鼻窦囊肿袋状化手术，简捷、经济、手术确实、副损伤小、面部无瘢痕，并可保留鼻窦粘膜的功能，是处理鼻窦粘液囊肿的首选方法。