Congenital cholesteatoma is an uncommon disease which can potentially lead to serious consequences such as loss of hearing in childhood or facial paralysis later on. 摘要先天性膽脂瘤乃一不常見之疾病，可能引發嚴重併發症，如幼年聽力喪失或顏面神經麻痹。
Bell's palsy, the most common cause of facial paralysis, results from damage or trauma to one of the two facial neres, but most people recoer completely within months. 通常面痹的原因是由下面的因素造成的，如面神經麻痹，中風和腦部腫瘤。
These figures have been lowered as more has been learned about conditions that are now diagnosed as other types of facial palsies. 這個數字還在降低，因為隨著癥狀被進一步研究，其中一些可以確症為其他種類的面癱。
