Objective:To discuss the clinical features,diagnosis and endoscopic surgical intervention for small osteoma of nasal sinuses causing nasal and facial pain.Method:A retrospective review was performed on 21 patients with nasal and facial pain caused by small osteoma of nasal sinuses,and nasal endoscopic surgery was included in the treatment of all cases.Result:The nasal and facial pain of all the patients was relieved.Except for one case exhibiting periorbital bruise after operation,the other patients showed ...