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  • Title: [Intrapetrous cholesteatoma].
    Author: Martin C, Prades JM, Bertholon P, Merzougui N, Durand M.
    Journal: Rev Laryngol Otol Rhinol (Bord); 1996; 117(3):157-63. PubMed ID: 9102719.
    Abstract:
    Intrapetrous cholesteatomas correspond to lesions extending beyond the classical limits of impairment at the level of the middle ear. This paper analyzes 31 cases of which only 2 are definitely primary, the other 29 probably being secondary. In 5 cases, a cholesteatoma had been previously removed by an open or semi-open technique. Such cholesteatomas, that are found at all ages (from 12 to 74), affect both sexes equally. They are easy to diagnose when the symptomatology combines a history of otitis, damage to facial motoricity, mixed deafness or anacusis and a tympanic aspect of cholesteatoma. They are much more difficult to diagnose in the absence of any facial deficit, of major deafness, and even more so if the tympanum is closed. CT-scanning and MRI now enable a precise study of the nature of the complaint and its extension. Surgical treatment requires full mastery of all the techniques of otoneurosurgery, the procedure depending very much upon the seat and extent of the intrapetrous cholesteatoma.
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