Einseitige auditorische Neuropathie |
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Authors: | Dr C Kothe S Fleischer A Breitfuß M Hess |
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Institution: | 1. Klinik und Poliklinik für Hals-, Nasen- und Ohrenheilkunde, Universit?tsklinikum Hamburg-Eppendorf, 3. Klinik und Poliklinik für Hals-, Nasen- und Ohrenheilkunde, Universit?tsklinikum Hamburg-Eppendorf, Martinistra?e 52, 20246, Hamburg 2. Poliklinik für H?r-, Stimm- und Sprachheilkunde, Universit?tsklinikum Hamburg-Eppendorf,
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Abstract: | Auditory neuropathy presents with normal otoacoustic emissions combined with pathological findings in brainstem evoked response audiometry. Normally, the auditory neuropathy is bilateral. We report about a 9 year old child where we could diagnose a unilateral deafness in spite of regular TEOAE and DPOAE. No reproducible biosignals were seen when the right ear was stimulated with alternating click stimuli at a level of 80 dB. On the left side, the latency of the potentials was normal. A cranial MRI showed normal anatomy. In order to determine a unilateral deafness, objective tests (e.g., OAE, BERA) and subjective tests should be used. |
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