患者女性,26岁,汉族.鼻塞半年,以右侧为主,日渐加重至持续性发作.并伴有间断性头痛.无明显流涕、发热史。专科检查:右侧鼻咽顶部可见到一约3cm×4cm大小肿物,表面光滑,基底部较宽,质地较硬,似粘膜下病变。 x线检查:鼻咽部侧位片及瓦特氏位片显示鼻咽部有一约4cm×5cm大小软组织肿块影响,密度 The patient was female, 26 years old, Han nationality. The nasal congestion lasted for half a year, mainly on the right side, and gradually worsened to a persistent attack. It was accompanied by intermittent headache. There was no obvious history of flow and fever. Specialist examination: The top of the nasopharyngeal can see a size of about 3cm × 4cm tumor, the surface is smooth, the base is wider, texture is hard, like submucosal lesions. X-ray examination: The nasopharyngeal lateral and Watt’s films show that the nasopharynx has a size of about 4cm x 5cm soft tissue mass, density