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病例为哈尔滨铁路中心医院1994年8月至12月间，行内窥镜鼻窦手术的患者18例，上颌窦腔内均为干酪样物。全部病例术前均接受了鼻内窥镜检查和鼻窦冠状位CT扫描。诊断为干酪性上颌窦炎。我们在行中鼻道上颌窦开窗的同时，行下鼻道钻孔，经金属套管插入各种角度的鼻窦内窥镜观察窦
Cases of Harbin Railway Central Hospital in August 1994 to December, endoscopic sinus surgery in 18 patients, the cavity of the maxillary sinus are cheese-like objects. All patients underwent nasal endoscopy and coronal CT scan before surgery. Diagnosis of cheese-induced maxillary sinusitis. We are in the line of the maxillary sinus in the fenestration at the same time, the line of nasal drilling, the metal cannula inserted into the various angles of the endoscopic sinus sinus