This study aims to present the intranasal findings of congenital lacrimal sac mucocele and to report the results of transnasal endoscopic drainage for this disorder.

• 摘要本研究目的在提出先天性泪囊黏液囊肿鼻腔内视观察的表现，并报告经鼻腔内视镜引流的结果。