中文摘要：

目的：探讨导致复杂中耳异物的原因及临床诊治的经验和教训。方法：回顾性分析经手术治疗的5例中耳异物患者的临床资料。结果：5例中耳异物患者中,外伤引起4例,医源性导致1例。异物存留引起耳漏、听力下降等症状,异物的长期存留对患者的心理健康造成影响。所有患者在全身麻醉下行手术治疗取出异物,术中发现异物位于中鼓室3例,位于上鼓室和咽鼓管鼓口1例,位于颞骨鳞部和上鼓室外侧气房1例。结论：中耳异物容易漏诊、误诊,应进行细致的专科检查,怀疑中耳异物的患者常规行颞骨HRCT检查,确诊有中耳异物,可经手术取出。

英文摘要：

Objective：To investigate the sources of foreign bodies in the middle ear,and to analyze experience and lessons of clinical diagnosis and therapy.Method：Five cases of foreign bodies in the middle ear with general information presenting to our department and receiving surgerical treatment were reviewed retrospectively.Result：The foreign bodies of 4 cases were inserted by trauma,while 1 case by iatrogenic injury.The remain of foreign bodies result in symptoms such as otorrhea and hearing loss,and long-term foreign bodies in the middle ear might cause mental effects.All 5 patients received surgical intervention under general anesthesia to remove the foreign bodies.We found that the foreign bodies of 3 cases located in the mesotympanum,1 located in the epitympanum and the aperture of the eustachian tube,1 located in the squamous portion of the temporal bone and the gas room of lateral wall of epitympanum.Conclusion：Foreign bodies in the middle ear are prone to be missed diagnosed and misdiagnosed.Careful specialized examination is appreciated.Patients who are suspected with foreign bodies in the middle ear should regularly take temporal bone HRCT scan.Foreign bodies could be removed by surgery when a definite diagnosis is made.