CT Inner ear
Clear external auditory canals, with a normal diameter. Thin membrane, without retraction. Normal aspect of the middle ear and the ossicular chain. Clear sinus tympani, additus ad antrum and mastoid cells. Intact tegmen, no signs of dehiscence. Normal appearance of the vestibulocochlear apparatus. No signs of otosclerosis. Clear round window. Normal diameter of the inner auditory canal and vestibular aquaduct >1.5 mm, or larger than the lateral semicircular canal. Present bony island within the lateral semicircular canal. No abnormalities of the modiolus. Normal bony coverage of the jugular bulb. Normal position of the carotid artery.
CONCLUSION:
No abnormalities.