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Unilateral auditory neuropathy: case study
Arthur Podwall1, David Podwall, Toni G Gordon
1Syosset Speech & Hearing Center, New York 11791, USA. apodwall@hotmail.com
Journal of Child Neurology
|June 29, 2002
Summary
This case study details an 11-year-old boy with unilateral auditory neuropathy, a rare condition affecting only one ear. His diagnosis involved profound hearing loss and abnormal neural function, highlighting a unique presentation of this disorder.
Area of Science:
- Audiology
- Neurology
- Pediatrics
Background:
- Auditory neuropathy is characterized by normal outer hair cell function and abnormal neural synchrony.
- Diagnosis typically involves normal otoacoustic emissions and abnormal auditory brainstem response.
- This condition affects the auditory nerve's ability to transmit sound signals to the brain.
Observation:
- An 11-year-old boy presented with unilateral auditory neuropathy after failing hearing screenings.
- Audiologic testing revealed profound, stable sensorineural hearing loss in the left ear.
- Neurologic and radiologic evaluations were unremarkable, ruling out other causes.
Findings:
- Otoacoustic emissions were consistent with auditory neuropathy.
- The case is notable for its unilateral presentation, which is rare.
- This suggests auditory neuropathy can manifest in a single ear.
Implications:
- Highlights the importance of comprehensive audiologic testing for diagnosing auditory neuropathy.
- Emphasizes that auditory neuropathy can present unilaterally, expanding the spectrum of clinical manifestations.
- Contributes to understanding the diverse etiologies and presentations of auditory neuropathy in pediatric cases.