著者

山本 悦生 水上 千佳司 磯野 道夫 大村 正樹 広野 喜信

出版者

Japan Society for Equilibrium Research

雑誌

Equilibrium Research (ISSN:03855716)

巻号頁・発行日

vol.49, no.Suppl-6, pp.28-30, 1990 (Released:2009-06-05)

参考文献数

4

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The three-dimensional imaging used so far has processed digitalized information on the morphology of organs by the computer graphics technique. However, the conventional method has not been used clinically, because the processing of information has been inadequate.We observed the external aperture of the vestibular aqueduct in vivo using three-dimensional imaging by the surface reconstruction method. The width was measured in normal and diseased ears. Significant narrowing was observed in patients with Meniere's disease, while no difference in width was noted between normal subjects and those with chronic otitis media.This technique can be used to examine not only on the vestibular aqueduct but also other structures in the temporal bone. It should be useful in clarifying the pathophysiology of inner ear diseases and also in the surgical treatment.

著者

北野 仁 斎藤 春雄 北嶋 和智 竹田 泰三 矢沢 代四郎 松原 秀春 北野 眞由美 北野 博也 児玉 章 水上 千佳司

出版者

耳鼻咽喉科臨床学会

雑誌

耳鼻咽喉科臨床 (ISSN:00326313)

巻号頁・発行日

vol.74, no.10special, pp.2370-2378, 1981-10-25 (Released:2011-11-04)

参考文献数

7

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Meniere's disease is represented by episodic vertigo (vestibular symptom), tinnitis and hearing loss (cochlear symptom). It is possible to devide patients with Meniere's disease into three groups; those with cochlear and vestibular symptoms starting at the same time, and those with the vestibular symptoms starting before or after cochlear symptoms: In this presentation, we studied the clinical differences of these three groups. The following results were obtained.1. In the case of cochlear Meniere's disease, the cochlear symptom is slight and it is easy to acquire the vestibular symptom. The cause of cochlear Meniere's disease was considered to be the existence of endolymphatic hydrops. Compared with frequency of bilateral Meniere's disease, bilateral cochlear Meniere's disease was more found.2. In the case of vestibular Meniere's disease, the vestibular symptom is slight and it is difficult to acquire the cochlear symptom. The cause of vestibular Meniere's disease, in all cases was not considered to be the existence of endolymphatic hydrops.3. In the case of Meniere's disease with vestibular symptoms starting after the cochlear symptoms, both the vestibular symptoms and cochlear symptoms are heavy. In the case of Meniere's disease with vestibular symptoms starting before the cochlear symptoms, both symptoms are slight.