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本组46例面瘫中由慢性化脓性中耳炎所致40例,占86.97％;颅脑外伤引起3例,占6.52％;耳肿瘤所致2例,占4.3％;中耳结核1例,占2.17％。年龄4～63岁;男29例,女17例;左侧24例,右侧22例;病程数分钟至数年。45例为周围性面瘫;1例为胆脂瘤型中耳炎颅内并发症所致中枢性面瘫。中耳炎类型致面瘫的化脓性中耳炎Ⅱ型者3例,Ⅱ+Ⅲ型者14例,Ⅲ型者18例。中耳炎致面瘫的原因术前发生者均为炎症病变范围广,病变深,面神经骨管破坏,面神经受病变侵蚀,发生炎性水肿
This group of 46 cases of facial paralysis caused by chronic suppurative otitis media in 40 cases, accounting for 86.97%; craniocerebral trauma caused by 3 cases, accounting for 6.52%; 2 cases of ear tumors, accounting for 4.3%; 1 case of middle ear tuberculosis, accounting for 2.17 %. Age 4 to 63 years old; 29 males and 17 females; left 24 cases, right 22 cases; course of several minutes to several years. 45 cases of peripheral facial paralysis; 1 case of cholesteatoma otitis media caused by intracranial complications of central facial paralysis. Otitis media type caused by otitis media Ⅱ type suppurative otitis media in 3 cases, Ⅱ + Ⅲ type in 14 cases, Ⅲ type in 18 cases. Causes of otitis media facial paralysis Preoperative occurrence of inflammation were a wide range of lesions, deep lesions, facial nerve tube destruction, facial nerve erosion by the disease, the occurrence of inflammatory edema