先天性外耳道狭窄症10例の検討

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  • 高原 亜弥
    地域医療機能推進機構滋賀病院耳鼻咽喉科・頭頸部外科 滋賀医科大学耳鼻咽喉科・頭頸部外科
  • 松本 晃治
    滋賀医科大学耳鼻咽喉科・頭頸部外科
  • 清水 猛史
    滋賀医科大学耳鼻咽喉科・頭頸部外科

書誌事項

タイトル別名
  • Surgical Outcomes in Patients with Congenital Aural Stenosis
  • センテンセイ ガイジドウ キョウサクショウ 10レイ ノ ケントウ

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<p>We retrospectively evaluated the data of 10 patients (10 ears) with congenital aural stenosis who had undergone meatoplasty and tympanoplasty at our department between November 2005 and December 2019. The symptoms, presence/absence of cholesteatoma, type of middle ear malformations, surgical strategies, and hearing improvement rate were analyzed. Hearing loss was the most common symptom. Eight patients had external auditory canal cholesteatoma. Middle ear malformations were observed in 8 patients; all 8 patients had ossicular anomalies and 2 patients had facial nerve displacement. A canal wall-down mastoidectomy with canal reconstruction using auricular cartilage was performed for ears in which the cholesteatoma invaded the middle ear cavity. Ossicular reconstruction could not be performed in 1 ear because of displacement of the facial nerve and bony closure of the oval window. The overall hearing improvement rate was 75.0%. The success rate in patients without cholesteatoma was 100% and in patients with cholesteatoma was 66.7%. No recurrence of aural stenosis has been noted in any cases after the surgery. We should evaluate middle ear anomalies carefully to avoid complications and achieve hearing improvement in patients with congenital aural stenosis.</p>

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