And now we can undertake many nasal endoscopies surgery, such as nasal hemostasia, healing of nasal leaking of central spine fluid ( csf ), plastid of atresia of posterior naris, depression of optic nerve, excision of nasal or sinus tumor, functional endoscopy sinus surgery, combined surgery of anterior basilar tumor etc 目前我科已进开展了鼻内窥镜下鼻腔止血、脑脊液鼻漏的修补、后鼻孔闭锁成形术、视神经减压、鼻腔鼻窦良恶性肿瘤切除、鼻窦炎鼻息肉切除、、前颅底肿瘤的联合手术等手术