随着内镜鼻窦手术(ESS)的广泛开展,其技术及CT等检查手段已日臻完善,对于单发后鼻孔息肉的起源也有了较为深刻的认识,其来源有4个部位:①上颌窦;②蝶窦;③额窦;④中鼻甲以上的鼻腔外侧壁,由于其原发部位隐匿,初始很难明确诊断。为进一步提高耳鼻咽喉科医师对本病的认识,结合我 With the extensive implementation of endoscopic sinus surgery (ESS), its techniques and CT examination methods have been improved, the origin of polyps after single nostril also have a more profound understanding of its origin has four parts: ① maxillary sinus; ② sphenoid sinus; ③ frontal sinus; ④ middle turbinate above the lateral wall of the nasal cavity, because of its primary site hidden, the initial diagnosis is difficult to confirm. To further enhance the otolaryngology doctor’s understanding of the disease, combined with me