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  • Title: Neuroma of the facial nerve masked by chronic otitis media.
    Author: Sellari-Franceschini S, Berrettini S, Bruschini P, Scazzeri F, Nenci R, Ferrito G.
    Journal: Am J Otol; 1994 May; 15(3):441-4. PubMed ID: 8579158.
    Abstract:
    The absence of facial twitching, weakness, or palsy makes the diagnosis of facial neuroma difficult. The authors report a case of neuroma of the horizontal portion of the facial nerve masked by the presence of a chronic ear. A woman with a long history of discharge and hypoacousia in her left ear presented with acute dizziness. Examination revealed grade 3 horizontal right nystagmus, left anacousia, and the appearance of an epitympanic cholesteatoma. Computed tomography (CT) was performed after the vestibular condition improved. The clinical diagnosis of chronic otitis media with cholesteatoma together with the radiologic finding of the mastoid and tympanic cavity completely occupied by soft tissue were enough to send the radiologist astray. The radiologic diagnosis confirmed that the bony destruction of the vestibule and lateral semicircular canal could be caused by a cholesteatoma. A neuroma of the horizontal portion of the facial nerve was discovered during surgery performed for the chronic ear. The postoperative study of the CT scans showed that there was no erosion of the malleus or incus, despite wide erosion of the vestibule and lateral semicircular canal. This finding would be enough to suggest the presence of pathology other than cholesteatoma. The patient refused exeresis of the neuroma. The authors recognize the difficulty in urging a patient to an operation that surely will result in worsening of the facial function. Follow-up in this case has revealed no change in tumor dimension or facial function over 3 years.
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