ALTHOUGH cholesteatomas of the middle ear and mastoid are of relatively common occurrence, and much about them has been observed and written during the past hundred years, their name is a misnomer, their nature is often misunderstood and the theories of their origin are confusing and contradictory. Of the almost universally accepted "invasion theory" of the cause of aural cholesteatomas, Diamant1 said:
When a particular view (of a hypothetic nature) regarding cause and effect has once been established in the literature, particularly in textbooks, it is liable, owing to faith in authorities, to get firmly rooted in the consciousness.... The adherence to Bezold's hypothesis as the sole alternative must be ascribed to inertia and to innate reluctance to abandon "knowledge" acquired from standard books.
Because of this existing confusion and dogma, and because it is felt that evidence exists which may help to clarify the pathogenesis of cholesteatomas, and
BEGLEY JW, McDONALD JR, WILLIAMS HL. HISTOLOGY AND HISTOGENESIS OF CHOLESTEATOMA OF THE MIDDLE EAR AND MASTOID. AMA Arch Otolaryngol. 1951;53(1):41–52. doi:10.1001/archotol.1951.03750010060004
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