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Congenital absence of the stapes and oval window with malpositioned facial nerve and anomalous eustachian tube
Since in 1995 the first case of absence of stapes was described, several cases were reported. However, its etiology remains unknown. Some authors suggest a genetic cause, without excluding the possibility of embryopathy due to infections or chemical agents. The existence of an associated palatal cleft, in this case, reinforces the hypothesis of a multifactorial origin. Objective: Describe a rare condition in order to know how to suspect it. This condition is frequently associated with facialdoi:10.34631/sporl.721 fatcat:p6ioay5kerf35dzwfksc3rppqa