Abstract:
:This article reports on an 11-year-old boy who was diagnosed with unilateral auditory neuropathy. After failing his annual medical and school hearing screenings, he was referred for audiologic testing, which identified a profound sensorineural hearing loss in his left ear that has remained stable for the past 3 1/2 years. Subsequently, otoacoustic emissions revealed findings that were consistent with an auditory neuropathy. Neurologic evaluation was remarkable only for a left ear hearing loss. Radiologic studies were unremarkable. Auditory neuropathy is a condition in which patients, on audiologic evaluation, are found to have normal outer hair cell function and abnormal neural function at the level of the eighth nerve. These patients, on clinical testing, are found to have normal otoacoustic emissions, whereas auditory brainstem response audiometry reveals the absence of neural synchrony. Unlike space-occupying lesions, radiologic evaluation reveals normal results. This case is noteworthy because only a handful of the cases of auditory neuropathy reported to date have been unilateral.
journal_name
J Child Neuroljournal_title
Journal of child neurologyauthors
Podwall A,Podwall D,Gordon TG,Lamendola P,Gold APdoi
10.1177/088307380201700415subject
Has Abstractpub_date
2002-04-01 00:00:00pages
306-9issue
4eissn
0883-0738issn
1708-8283journal_volume
17pub_type
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