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  • Title: Round window reflex and oval window fistulae.
    Author: Grewal DS.
    Journal: J Laryngol Otol; 1989 Jun; 103(6):562-5. PubMed ID: 2788687.
    Abstract:
    The round window reflex is normally absent in stapedial fixation. In this study, six cases of oval window fistula are described in which the round window reflex was absent. This is probably because there is insufficient pressure transmitted to the round window membrane through the perilymph because of leakage from the oval window. This is considered as an important diagnostic sign of oval window/stapes footplate ligament disruption.
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