Ménière disease


This is a "definite" case of according to the American Academy of Otolaryngology-Head and Neck Surgery Committee on Hearing and Equilibrium1 criteria. In addition, CT findings of severely narrowed or absent vestibular aqueduct openings on both sides are supportive.

See Yamane et al.2 for images and useful illustrations.

In contradistinction of these CT features, vestibular aqueducts can be enlarged (normally congenital) as a cause of hearing loss.