我院1979～1980年内收治上颌窦异物3例,报告如下。[例1] 男,21岁,于1979年4月10日住院。入院半年前,因汽枪“子弹”(铁钉一截)自右侧鼻旁射入鼻窦。鼻旁伤口愈合后,异物未取。平素感鼻干,少量衂血及黄褐色脓涕。体检:右鼻唇沟旁有0.5cm瘢痕,内鼻未见异常,Water氏位X线片显示右侧上頜窦底金属异物影,鼻窦侧位片显示异物影位于硬腭水平,约0.8×0.2cm。入院后行右侧上颌窦 Our hospital from 1979 to 1980 admitted to the maxillary sinus in 3 cases, the report is as follows. [Example 1] Male, 21 years old, hospitalized on April 10, 1979. Six months after admission, sinuses “bullets” (nails) were injected into the sinuses from the right side of the nose. Nasal wound healing, foreign body did not take. Usually feel dry nose, a small amount of blood and tan purulent tears. Physical examination: 0.5cm scar near the right nasolabial fold and no abnormal internal nasal passages. The X-ray showed that the right side of the maxillary sinus at the end of the metal foreign body shadow, lateral sinuses showed foreign body shadow at the level of the hard palate, about 0.8 × 0.2cm . After admission, the right maxillary sinus