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  • Title: Scala tympani drill-out technique for oval window atresia with malformed facial nerve: A report of three cases.
    Author: Liu Y, Yang F.
    Journal: J Otol; 2015 Dec; 10(4):154-158. PubMed ID: 29937800.
    Abstract:
    OBJECTIVE: To report a scala tympani drill-out technique for managing malformed facial nerve covering the entire oval window (OW). METHODS: Data from three cases with OW atresia, malformed stapes and abnormal facial nerve courses were reported, in which a scala tympani drill-out technique was employed with a TORP between the tympanic membrane and scala tympani fenestration for hearing reconstruction. RESULTS: Air conduction hearing improved in two of the three cases following surgery. In the third case, there was no improvement in air conduction hearing following a canal wall up mastoidectomy and tympanoplasty. There were no vertigo, tinnitus or sensorineural hearing loss in the three cases. CONCLUSION: The scala tympani drill-out technique, which is basically fenestration at the initial part of the basal turn, provides a choice in hearing reconstruction when the OW is completely covered by abarrently coursed facial nerve.
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