Abstract
The characteristic feature of cholesteatoma is the presence in the middle ear cleft of keratinising, stratified, squamous epithelium. This epithelial layer forms a matrix which constantly desquamates sheets of keratin. The accumulation of keratin in a confined space is called a cholesteatoma, although the term is a misnomer as the mass is not a neoplasm and bears no relation to cholesterol granuloma. The aetiology of this “skin-bag in the wrong place”, also called an epidermoid or pearly tumour, is controversial and largely irrelevant to the present discussion.
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© 1990 Springer-Verlag London
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Phelps, P.D., Lloyd, G.A.S. (1990). Cholesteatoma. In: Diagnostic Imaging of the Ear. Springer, London. https://doi.org/10.1007/978-1-4471-1724-7_7
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DOI: https://doi.org/10.1007/978-1-4471-1724-7_7
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