Polytomography in Ménière's disease: an update.

In a previous article the use of polytomography of the vestibular aqueduct in Meniere's disease was described. The value of this procedure in the prognosis of surgery was evaluated by contrast of results with a non-radiographically examined population. Since then five more years of experience has been gained through routine radiographic examination of all patients with Meniere's disease. Within the above epoch, several efforts have been made to effectively separate patients into categories based on therapeutic expectations and prognostic stratifications. In addition X-ray studies, glycerol tests, hearing levels, frequency of vertigo and other clinical features have been suggested as offering suitable data for prognostic stratification. This upper updates the radiologic data previously presented, and reviews the efforts to date to accomplish significant prognostic stratification. Several clinical aspects of patients with Meniere's disease which may affect its severity are outlined.