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Changes in Audiogram in the Course of Harada's disease Hyozi Hoshi 1 , Yasufusa Tamada 1 , Yoko Murata 1 , Shoji Odashima 1 , Yutaka Tazawa 1 1Department of Ophthalmology, School of Medicine, Iwate Medical University pp.23-30
Published Date 1977/1/15
DOI https://doi.org/10.11477/mf.1410207364
  • Abstract
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We conducted an audiometric follow-up study of 9 cases of Harada's disease through its various stages. Pure tone and Bekesy audio-metries were chiefly used.

All the cases showed the presence of hearing loss typical for inner ear deafness. During the initial and peak stages of the disease, the he-aring loss was present in low and middle fre-quency ranges. During recurrences or protract-ed stages of the disease, we observed gradual or abrupt hearing loss in the higher frequency ranges.


Copyright © 1977, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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