患者 ,女 ,4 9岁 ,汉族 ,左鼻腔间断性涕中带血 1年 ,无外伤史。检查见外鼻无畸形 ,左鼻腔下鼻道前端有淡红色新生物 ,表面呈息肉样、触之软 ,中间质硬 ,双下甲、中甲不大 ,鼻咽部光滑 ,左上颌部牙列完整无缺牙 ,鼻窦正位片示左侧鼻腔和左侧上颌窦密度均匀增高 ,左上颌窦腔内有 Patients, female, 49 years old, Han nationality, left nasal intermittent tears in the bloody 1 year, no history of trauma. Check to see the outer nose without deformity, the left front nasal nasal passages pale red creatures, the surface was polypoid, touch the soft, the middle hard, double under the armor, a small, nasopharyngeal smooth, upper left jaw Edentulous intact teeth, sinus anteroposterior film shows the left nasal cavity and left maxillary sinus density increased uniformly, the left maxillary sinus cavity