经鼻内镜鼻窦囊肿手术,失败的主要原因是窦口阻塞致囊肿复发。因此,鼻窦囊肿手术后常需留置胶管于窦口防止阻塞,但这会给患者的生活带来不便。我们在手术中应用丝裂霉素C(MMC),解决了窦口置管给患者带来的诸多不适,并能预防窦口的粘连和阻塞,取得了满意疗效。现报告如下。1资料 Transnasal endoscopic sinus cyst surgery, the main reason for the failure is caused by sinusoidal cyst recurrence. Therefore, sinus surgery often require indwelling catheter in the ostium to prevent obstruction, but this will bring inconvenience to patients with life. We use mitomycin C (MMC) during surgery to solve the sinus discomfort brought by the catheter to the patients, and to prevent the adhesion and obstruction of the ostium, and achieved satisfactory results. The report is as follows. 1 data