PMC7355716_01
CT scan of head. Near complete opacification of the right mastoid air cells and right middle ear. There is normal appearance of the ossicles, semicircular canals, cochlea and vestibule. No ossicular chain erosions. The tegmen tympani is intact. No evidence of erosion in the roof of the sinus tympany or pneumocephalus.
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CT scan of the temporal bones revealed near complete opacification of the right mastoid air cells and right middle ear (Fig. 1).