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A 66-year-old male patient with pars flaccida cholesteatoma. Transversal (A,B) and coronal (C) CT using bone windowing. Complete soft tissue displacement of the epi-, meso-, and hypotympanum, but without bony destruction of the adjacent bony borders can be identified. Thickened tympanic membrane and beginning dissolution of scutum and ossicular chain are also present.
