恶性血管外皮瘤是一种临床上少见的肿瘤，尤其是发生在上颌窦更为少见，我科1995年8月份收治1例，现报道如下。1病例介绍患者龚某，女，27岁，农民。以鼻左侧进行性鼻塞3个月伴血性涕及面部麻木1个月就诊。体检：左下鼻甲极度肥大，豆％麻黄素收缩了鼻甲后，见中下鼻道有少许脓 Malignant hemangiopericytoma is a rare clinical tumor, especially in the maxillary sinus, and our department was admitted to hospital in August 1995. It is reported as follows. 1 Case Introduction Patients Gong, female, 27 years old, farmer. The nasal left side of the nose for 3 months with bloody sputum and facial numbness for 1 month. Physical examination: extreme left upper turbinate hypertrophy, beans% ephedrine after contraction of the turbinate, see the middle and lower nasal passages have a little pus