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A profile curve (Hounsfield units) was used to measure stapes footplate thickness along a perpendicular line across the stapes footplate in a plane parallel to the lateral semicircular canal.\nResults: Footplate thickness was smaller at the midpoint than just before the anterior crus and just\nafter the posterior crus. Interobserver variability was lowest at the midpoint, where foot plate thickness was significantly greater in the affected ear in otosclerosis patients compared with controls (0.60 \u00b1 0.09 mm vs 0.46 \u00b1 0.04 mm; p \u003c .001). Otosclerosis patients were detected using U-HRCT with a high area under the curve. 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  1. 学位論文
  2. 博士論文
  3. 医学研究科
  1. 部局別インデックス
  2. 医学研究科

超高精細CTを用いた耳硬化症のアブミ骨底板の測定

http://hdl.handle.net/20.500.12000/0002018007
http://hdl.handle.net/20.500.12000/0002018007
9c3efc70-cd32-4a45-bfd6-03331af88c77
名前 / ファイル ライセンス アクション
iken516abstract.pdf iken516abstract.pdf (1003 KB)
iken516review.pdf iken516review.pdf (864 KB)
iken516text.pdf iken516text.pdf (1.2 MB)
Item type 琉球大学リポジトリ登録用アイテムタイプ(1)
公開日 2022-06-03
タイトル
タイトル 超高精細CTを用いた耳硬化症のアブミ骨底板の測定
言語 ja
作成者 赤澤, 幸則

× 赤澤, 幸則

ja 赤澤, 幸則

en Akazawa, Yukinori

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
言語 en
権利情報 © 2020 The Author(s)
言語 en
権利情報Resource http://creativecommons.org/licenses/by-nc-nd/4.0/
権利情報 the Creative Commons Attribution-NonCommercial-NoDerivatives License
主題
言語 en
主題Scheme Other
主題 Otosclerosis
言語 en
主題Scheme Other
主題 stapes footplate thickness
言語 en
主題Scheme Other
主題 ultra-high-resolution computed tomography
内容記述
内容記述タイプ Abstract
内容記述 Background: Ultra-high-resolution computed tomography (U-HRCT) utilizes a 1024 × 1024 matrix with 0.25-mm section thickness, offering better spatial resolution than conventional multi-detector row CT to detect anatomic data for otologic surgery.
Aims: We examined stapes footplate thickness using U-HRCT in relation to stapedotomy to predict the difficulty of the surgical procedure.
Materials and methods: Subjects were 12 otosclerosis patients and 25 controls who underwent diagnostic U-HRCT. A profile curve (Hounsfield units) was used to measure stapes footplate thickness along a perpendicular line across the stapes footplate in a plane parallel to the lateral semicircular canal.
Results: Footplate thickness was smaller at the midpoint than just before the anterior crus and just
after the posterior crus. Interobserver variability was lowest at the midpoint, where foot plate thickness was significantly greater in the affected ear in otosclerosis patients compared with controls (0.60 ± 0.09 mm vs 0.46 ± 0.04 mm; p < .001). Otosclerosis patients were detected using U-HRCT with a high area under the curve. Difficulty in the stapes opening procedure correlated with stapes footplate thickness.
Conclusions: Footplate thickness on U-HRCT correlated with temporal bone anatomy and corresponded to surgical difficulty.
Significance: U-HRCT-derived anatomic data is useful for evaluating the stapes.
言語 en
出版者
言語 ja
出版者 琉球大学
言語
言語 eng
資源タイプ
資源タイプ doctoral thesis
資源タイプ識別子 http://purl.org/coar/resource_type/c_db06
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1080/00016489.2020.1788225
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 1651-2251
収録物名
言語 en
収録物名 Acta Oto-Laryngologica
書誌情報
巻 140, 号 11, p. 899-903
学位授与番号
学位授与番号 甲第516号
学位名
学位名 博士(医学)
言語 ja
学位授与年月日
学位授与年月日 2020-12-18
学位授与機関
学位授与機関識別子
学位授与機関識別子 18001
学位授与機関識別子Scheme kakenhi
学位授与機関名
学位授与機関名 琉球大学
言語 ja
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