纤维血管瘤发生于鼻窦者很少。其发病隐匿 ,患者平时表现为鼻出血 ,虽为良性肿瘤 ,但常因骨质破坏及侵犯周围器官而误诊为恶性肿瘤。笔者曾遇3例 ,现报告如下。1　病例报告　　例 1　女 ,5 6岁 ,右鼻塞伴流血涕 1年 ,于 2 0 0 1年 6月 2 0日入院。体检见右鼻下鼻甲明显内移 ,鼻 Fibrovascular tumors occur in the sinus are few. The incidence of occult, the patient usually showed nosebleeds, although benign, but often due to bone destruction and violations of surrounding organs misdiagnosed as malignant tumors. I have encountered three cases, the report is as follows. 1 Case Report Case 1 Female, 56 years old, right stuffy nose with bloody runny nose 1 year, was admitted on June 20, 2001. See the right nasal turbinate examination showed significant internal shift, nose