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Sudden hearing loss associated with cochlear membrane rupture. Two human temporal bone reports

R Gussen

    Archives of Otolaryngology (Chicago, Ill. : 1960)
    |October 1, 1981
    PubMed
    Summary

    Cochlear membrane ruptures, particularly of Reissner

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    Sudden deafness associated with bilateral Reissner's membrane ruptures.

    American journal of otolaryngology·1983

    Area of Science:

    • Otolaryngology
    • Neuroscience
    • Auditory Science

    Background:

    • Cochlear membrane ruptures are rare but can lead to significant hearing loss.
    • Understanding the specific mechanisms and locations of these ruptures is crucial for diagnosis and treatment.

    Observation:

    • Two cases of cochlear membrane ruptures in the left temporal bone are presented.
    • Ruptures occurred at the junction of the ductus reuniens and the cochlear duct's cecum vestibulare.
    • Etiologies included barotrauma from flying and spontaneous occurrence in a previously deaf ear.

    Findings:

    • Ruptures of Reissner's membrane were identified as the primary event.
    • Post-rupture healing led to balloon-like formations, causing secondary saccular damage (rupture or collapse).
    • A left-sided preponderance of these ruptures was noted.

    Implications:

    • Highlights the vulnerability of the ductus reuniens-cochlear duct junction.
    • Suggests potential for specific diagnostic markers and targeted interventions for sudden hearing loss.
    • Informs understanding of inner ear mechanics and injury patterns.

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