STUDY OF VESTIBULAR AQUEDUCT WITH COMPUTED TOMOGRAPHY IN MENIERE′S DISEASE / 解放军医学杂志

ABSTRACT

Objective To study the vestibular aqueduct(VA) with CT in Meniere , s disease(MD). Method The experiment consisted of three groups normal ear group, non-MD vertigo group and MD group. VA in each group was examined with CT, and the width of the external aperture of VA was measured.Result VA in normal ear group and non MD vertigo group was well visualized,and non visualization rate was 9.1%. VA non visualization rate in MD group was 75%, external aperture was narrowed in VA patients. Conclusion non visualization or narrowing of the enterhal aperture can be considered as one of the diagnostic sings of MD.