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  • Title: The round window in acute hearing loss.
    Author: Sekuła J, Włodyka J.
    Journal: Audiology; 1982; 21(1):55-60. PubMed ID: 7055481.
    Abstract:
    Sensorineural hearing loss has various etiologies. One of them is perilymphatic fistula, which is observed in (1) congenital malformation of the internal ear in children: (2) after operations on the oval window (stapedectomy, interposition); (3) in cases of head trauma, and (4) in acute hearing loss of unknown origin. The authors report 5 of 19 cases of acute hearing loss observed at the ORL Clinic in Kraków and operated on by exploratory tympanotomy. In 4 of them, rupture of the round window membrane (secondary tympanic membrane) was found. A hypothesis for the rupture mechanism is presented.
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