内镜鼻窦手术是20世纪鼻科领域具有划时代意义的成就,它促进了鼻腔、鼻窦诸多疾病诊治水平的飞跃发展,使鼻窦手术治愈率提高到80%~90%〔1〕。目前临床上施行内镜鼻窦手术多采用Messerklinger术式,主要步骤为切除钩突,充分暴露术野,向后开放切除前、后组筛窦,扩大上颌窦自然开口 Endoscopic sinus surgery is an epoch-making achievement in the field of rhinology in the 20th century. It promotes the rapid development of diagnosis and treatment of nasal and sinus diseases, and improves the cure rate of sinus surgery to 80% -90% [1]. At present, the endoscopic sinus surgery is mostly performed by the Messerklinger procedure. The main procedure is to remove the uncinate process and fully expose the operative field. Open the front and rear posterior ethmoid sinus and expand the natural opening of the maxillary sinus