罕见上颌窦异物2例

Two rare case report of maxillary sinus foreign body

1病例报告 例1,女,33岁,左上第二磨牙根管治疗后颜面部肿胀4个月,伴左鼻腔黄脓涕及左侧颜面部麻木感。体检：外鼻无畸形,鼻内镜下可见鼻腔内少量粘稠分泌物,鼻腔黏膜无充血肿胀,各鼻道未见新生物。鼻窦冠状位CT（图1）：左侧上颌窦、筛窦内点状高密度影。颌面部CT三维重建（图2）可见金属样异物。

The maxillary sinus is the largest paranasal sinuses.Foreign bodies of nosal sinus can caused by car accidents,firearm attacks,or iatrogeniccause.We reported two rare cases of foreign body of pulp needle and loach.The clinical manifestations might include facial numbness,facial paresthesia,swelling,nasal congestion,facial pain,eye discomfort,limited mouth opening and relapse and etc.Both CT scan and the medical history were helpful in diagnosis.Functional endoscopic surgery would be the first choice of treatment.