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CASE REPORT   

Otorhinolaryngology 2021 June;71(2):108-11

DOI: 10.23736/S2724-6302.20.02291-2

Copyright © 2020 EDIZIONI MINERVA MEDICA

language: English

Hearing preservation in intralabyrinthine cholesteatoma: case series

Francesco DISPENZA 1 , Giuseppe DE DONATO 2, Alessia M. BATTAGLIA 3, Debora RIVA 2, Pietro SALVAGO 3, Francesco LORUSSO 1, Maurizio FALCIONI 4

1 Unit of Otolaryngology, Giaccone University Hospital, Palermo, Italy; 2 San Gerardo University Hospital, Monza, Monza-Brianza, Italy; 3 Department of Biomedicine, Neurosciences and Advanced Diagnostics (BiND), University of Palermo, Palermo, Italy; 4 Unit of Otolaryngology and Otoneurosurgery, Parma, Italy



A labyrinthine fistula ranges from 5.8% to 21%. The involvement of inner ear is a negative prognostic factor in term of hearing preservation. We report three cases with intralabyrinthine extension of cholesteatoma and high risk of hearing loss during surgery, but the hearing was maintained as serviceable in all cases. All different hypothesis were discussed: gradual aseptic inflammatory process involving the labyrinth, creating a “wall” between superior labyrinth and the cochlea; a slow and progressive disease could lead to inflammation and produces a sealing effect, protecting hearing function from vestibular damage; a sudden decompression of the endolymphatic system could cause the collapse of the utricle and therefore a passive closure of the utriculo-endolymphatic valve, preventing the leakage of endolymph from saccule and cochlear duct.


KEY WORDS: Cholesteatoma; Diagnostic techniques, ontological; Otolaryngology

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