JOURNAL OF SHANDONG UNIVERSITY (OTOLARYNGOLOGY AND OPHTHALMOLOGY)

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  • Received:1900-01-01 Revised:1900-01-01 Online:2006-04-25 Published:2006-04-25

Abstract: ABSTRACT］Objective: To explore the clinical manifestation, prevention and treatment of large vestbular aqueduct syndrome （LVAS）. Methods: The clinical process of diagnosis and treatment of 18 patients with LVAS confirmed by high resolution CT were retrospectively analyzed. Results: The large caliber resulted in more hearing loss of the ear than the small one in the same patient; for different patients, the caliber size had no relationship with the hearing loss; the results of otoacoustic emission（OAE） was unstable; all patients were proved to have LVAS by CT scan of the temporal bone. Conclusions: The LVAS may be often misdiagnosed. The patients with fluctuative and progressive hearing loss should be examined by high resolution CT scan of the temporal bone. Early diagnosis plays an important role in preserving the patients′ remaining hearing.

Key words: Hearing loss, conductive, Large vestibular aqueduct syndrome, Tomography

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