Affiliation:
1. Los Angeles, California
Abstract
We suggest a new explanation for the lack of auditory response to electric stimulation in children with cochlear implants: The very narrow internal auditory canal, 1 to 2 mm in diameter, and the probable absence of the cochlear nerve. This defect can be seen on high-resolution computed tomographic x-ray studies and may represent aplasia of the auditory-vestibular nerve. We report on eight children with this anomaly, three of whom have received implants and failed to respond with a sensation of sound. Identification of this problem on screening x-ray films is a contraindication to cochlear Implantation for auditory stimulation.
Subject
Otorhinolaryngology,Surgery
Cited by
153 articles.
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