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  • Title: [Dehiscence of the anterior semicircular canal and otosclerosis: a case report].
    Author: Nguyen DQ, Morel N, Dumas G, Boubagra K, Schmerber S.
    Journal: Rev Laryngol Otol Rhinol (Bord); 2006; 127(3):151-5. PubMed ID: 17007187.
    Abstract:
    UNLABELLED: The dehiscence of the anterior semicircular canal is a new clinical entity, it is necessary to consider this when a gusher occurs during stapedial surgery. CASE REPORT: We report a rare case of dehiscence of the anterior canal associated with otosclerosis. This was revealed by a gusher during the initial stapedectomy. At 3 months, an obliteration of the dehiscence was necessary by middle cranial fossa approach (persistant vestibular symptoms), seven months later. Revision stapedial surgery resulted in complete closure of the air-bone-gap. CONCLUSION: High resolution CT scans of the temporal bone are the key to diagnosis. It is necessary to appreciate this pathology with advances in canal and vestibular surgery.
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