１　病例简介　　患者，男，４９岁。因右鼻塞半年加重１个月，以右鼻腔、上颌窦肿物收入院。入院查体心、肺、肝、肾等无异常，局部检查有右鼻腔顶及中部充满息肉样组织，色淡红，表面粗糙，质脆，触之易出血。鼻窦ＣＴ示右侧鼻腔及右上颌窦内有巨大密度增高影，ＣＴ值４５～ 1 Case Profile Patients, male, 49 years old. Due to the right nasal congestion six months to increase one month to the right nasal cavity, maxillary sinus tumor hospital. Admission physical examination heart, lung, liver, kidney and other anomalies, local examination of the right nasal cavity and the middle of the top is full of polypoid tissue, pink, rough surface, crisp, easy to touch the bleeding. Sinus CT shows the right side of the nasal cavity and right maxillary sinus have a huge increase in density, CT value 45 ~