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CT of an 84-year-old female patient with axial (A) and coronal (B) bone window images of the right middle ear. Complete obstruction of the middle ear including the epi-, meso-, and hypotympanum is shown. Images also show a swollen EAC, and the eardrum cannot be clearly defined. Only faint delineation of the auditory ossicles is observed. Bony thinning from the cortex to the base of the skull without clear interruption is present as well.
