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  • Title: [Keratosis obturans of the external auditory canal].
    Author: Kuczkowski J, Izycka-Swieszewska E.
    Journal: Otolaryngol Pol; 2007; 61(5):675-9. PubMed ID: 18551999.
    Abstract:
    Keratosis obturans is a rare condition of the bony part of external ear canal cased by hyperkeratosis of epiderm and disorders of migration process. Hyper-cumulation of desquamated epiderm in the external ear canal leads to hearing loss, earache and inflammation of ear canal skin. We present 2 cases of keratosis obturans as examples of epiderm migration disorders and difficulties in diagnosis and treatment of this disease. Keratosis obturans was diagnosed in both cases in histopathological and immunohistochemical examinations. Histopathological and molecular structure of keratosis obturans was discussed. In presented cases surgical, anti-inflammatory and keratinolytic treatment was applyied.
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