患者 ,女 ,5 7岁。因双侧渐进性鼻塞 2年于2 0 0 2年 3月 1 8日入院。体检 :一般情况良好。专科检查见中下鼻甲肿大 ,双侧中鼻道充满灰白色、半透明、表面光滑、不易出血之肿物 ,鼻窦区无肿胀、压痛。鼻窦冠状位CT扫描示 :双侧中鼻道内软组织密度增高影 ,双侧上颌窦、筛窦、额 Patient, female, 57 years old. Due to bilateral progressive nasal obstruction 2 years in March 18, 2002 admission. Physical examination: generally good. Junior middle and lower turbinate see specialist swollen, both sides of the nasal passages full of gray, translucent, smooth surface, difficult to bleed the tumor, sinus area without swelling, tenderness. Coronal sinus CT scan showed: soft tissue density bilateral bilateral midbrain, bilateral maxillary sinus, ethmoid sinus, amount