患者男,12岁,因右侧面颊部隆起6个月,于1997年2月2日入院。半年前发现右侧面部隆起,逐渐增大,无疼痛、发热、脓性鼻涕及牙痛:查体:一般情况好,心肺正常。右侧面颊部隆起约4×4×2cm,皮肤无红肿及青紫,质中等硬,不能移动,无压痛,有乒乓球感,穿刺上颌窦内侧壁无阻挡,未抽出分泌物及血液。鼻粘膜无充血,中、下鼻甲不大,无脓性分泌物。X光照片:右侧 The patient, male, 12 years old, was elevated for 6 months on the right cheek, and was admitted on February 2, 1997. Six months ago found that the right side of the face uplift, and gradually increased, no pain, fever, purulent nasal discharge and toothache: Physical examination: the general situation is good, normal heart and lung. Right cheek bump about 4 × 4 × 2cm, skin redness and bruising, medium hard, can not move, no tenderness, a sense of ping pong, puncture the maxillary sinus medial wall without blocking, did not pull out secretions and blood. Nasal mucosa without congestion, in the inferior turbinate is not, no purulent secretions. X-ray photo: right side