Cochlear Fistula in Chronic Otitis Media with Cholesteatoma

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Abstract

SUMMARY

Labyrinthine fistula in chronic otitis media with cholesteatoma most commonly involves the horizontal semicircular canal. We report three cases of cochlear fistula in chronic otitis media with cholesteatoma. All of them had a long history of otorrhea. One patient had total hearing loss of the affected side. The other two patients had conductive hearing loss. Radical mastoidectomy had been done in all cases. Cholesteatoma in the tympanic cavity destroyed the basal turn of the cochlea. These fistulas were sealed with muscle or Gelfoam with streptomycin. We found no fistula in the semicircular canal in any of the three cases. We report three cases of cochlear fistula in chronic otitis media with cholesteatoma, and review the literature.

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