聴神経腫よう症例のEmission cochleogramに関する検討
書誌事項
- タイトル別名
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- Study of emission cochleogram in patients with acoustic neuromas.
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説明
The emission cochlegram was investigated in 11 cases of surgically proven unilateral acoustic neuroma. Stimulus sounds were tone-bursts with the duration of 3ms at 5 frequencies between 1kHz and 4kHz. The results obtained were as follows;<br>1) The emission cochleograms showed similar configurations in the unaffected ears, but showed various configurations in the tumor-bearing ears.<br>2) The averaged emission cochleogram of the unaffected ears showed the high-tone abrupt loss type of configuration, while that of the tumor-bearing ears showed the high-tone gradual loss type due to the elevation of pseudothreshold between 1kHz and 2kHz.<br>3) The comparison between pure tone audiogram and emission cochleogram could enable to speculate the pathophysiology of hearing loss in each case of acoustic neuromas.<br>4) The pathophysiology of hearing loss might differ on the different cochlear partitions in some tumor-bearing ears.
収録刊行物
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- AUDIOLOGY JAPAN
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AUDIOLOGY JAPAN 33 (2), 169-176, 1990
一般社団法人 日本聴覚医学会
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詳細情報 詳細情報について
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- CRID
- 1390001204838576768
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- NII論文ID
- 130003711805
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- ISSN
- 18837301
- 03038106
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可