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Ann Otol Rhinol Laryngol. 1977 Jul-Aug;86(4 Pt 1):541-7.

Sudden deafness with severe loss of cochlear neurons.


We report our postmortem findings in the temporal bones of a patient who, at the age of 13, after having had a cold, experienced a sudden and profound hearing loss in her right ear. She died of nasopharyngeal carcinoma at 41. The patient's right temporal bone showed a complete loss of cochlear neurons, but the organ of Corti was well-preserved. These findings indicate a primary degeneration of the cochlear nerve. The authors speculated that the possible cause of this sudden deafness was severe neuronitis of the cochlear nerve.

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