Course of the Facial Nerve in Congenital Dysplasia of the External Auditory Canal: A High-Resolution Computerized Tomography Study
Congenital dysplasia of the external auditory canal (EAC) appars with a frequency of 1 : 10000 to 1 : 20 000 births  Surgical correction of congenital dysplasia of the EAC is difficult. The facial nerve almost always has an abnormal course and can be injured easily during operation  Radiological identification of the facial nerve canal, however, is no guarantee that the facial nerve is enclosed. The purpose of this study was to provide a detailed analysis of the course of the facial nerve in congenital dysplasia of the EAC.
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