特発性内耳道狭窄例 : DPOAEとABRに解離を認めた症例 A Case of Idiopathic Stenosis of the Internal Auditory Canal

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We report a case of unilateral idiopathic stenosis of the internal auditory canal, without middle or inner ear anomalies. The patient, a 17-year-old female, presented with right deafness. High resolution computed tomography of the temporal bone showed stenosis of the right internal auditory canal. ABR stimulated from the right ear showed no response and bilateral DPOAE levels were within normal limits. These results implied that the outer hair cell function was well preserved, although damage to the inner hair cells and/or cochlea nerve was severe. It seems that evaluation by both ABR and OAE is necessary to determine the cause of hearing loss due to idiopathic stenosis of the internal auditory canal.

収録刊行物

  • 耳鼻咽喉科臨床

    耳鼻咽喉科臨床 95(6), 579-583, 2002-06-01

    The Society of Practical Otolaryngology

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各種コード

  • NII論文ID(NAID)
    10008574973
  • NII書誌ID(NCID)
    AN00107089
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    00326313
  • NDL 記事登録ID
    6177209
  • NDL 雑誌分類
    ZS43(科学技術--医学--耳鼻咽喉科学)
  • NDL 請求記号
    Z19-421
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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