Three-dimensional Assessment of Femoral Head Coverage in Normal and Dysplastic Hips : A Novel Method

Persistent ID (NDL): info:ndljp/pid/8952878

Material type: 博士論文

Author: Miyasaka, Dai

Publisher: 新潟大学

Publication date: 2014-09-22

Material Format: Digital

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Name of awarding university/degree: 新潟大学,博士（医学）

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Note (General)：: The acetabular coverage of the femoral head has been assessed in two-dimensions as the projected covered area or the covered angle on plain radiograph...

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Material Type: 博士論文
Title: Three-dimensional Assessment of Femoral Head Coverage in Normal and Dysplastic Hips : A Novel Method
Author/Editor: Miyasaka, Dai
Publication, Distribution, etc.: 新潟大学
Publication Date: 2014-09-22
Publication Date (W3CDTF): 2014-09-22
Alternative Title: Three-dimensional Assessment of Femoral Head Coverage in Normal and Dysplastic Hips : A Novel Method
健常者と臼蓋形成不全における骨頭被覆の3次元的評価 : 新しい方法
Degree grantor/type: 新潟大学
Date Granted: 2014-09-22
Date Granted (W3CDTF): 2014-09-22
Dissertation Number: 甲第3944号
Degree Type: 博士（医学）
Conferring No. (Dissertation): 甲第3944号
Text Language Code: eng
Subject Heading: hip dysplasia
three-dimensional imaging
femoral head coverage
acetabulum
patient positioning
Note (General): The acetabular coverage of the femoral head has been assessed in two-dimensions as the projected covered area or the covered angle on plain radiographs. We present a novel method of the three-dimensional assessment of femoral head coverage obtained by evaluatmg the covered volume of the femoral head in both normal and dysplastic hips. We also assessed the covered angles on the vertical slices passing through the center of the femoral head. The mean covered volume of the femoral head was 57.4% in normal hips and 26.6% in dysplastic hips. In dysplastic hips, the L-CE, A-CE, and P-CE angles were 7.7°, 21.8°, and 95.8°, respectively, while the acetabular angle was 27.5°. In normal hips, the CE angles were 34.0°, 56.8°, and 109.4°, respectively, while the acetabular angle was 7.2°. Our study suggests the usefulness of a novel 3D assessment for acetabular coverage of the femoral head. This assessment provided the precise 3D information necessary to diagnose hip dysplasia and assess the deficiency of acetabular coverage in these patients. Moreover, we may detect a cut-off between normal and dysplastic hips in the 3D assessment by assessing a large number of dysplastic hips both morphologically and using the new assessment.
学位の種類: 博士（医学）. 報告番号: 甲第3944号. 学位記番号: 新大院博（医）甲第611号.学位授与年月日: 平成26年9月22日
Acta Medica Okayama. 2014, 68(5), 277-284.
新大院博（医）甲第611号
開始ページ : 1
終了ページ : 21
Persistent ID (NDL): info:ndljp/pid/8952878
https://dl.ndl.go.jp/pid/8952878
Collection: 障害者向け資料
Collection (Materials For Handicapped People:1): テキストデータ
Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
https://dl.ndl.go.jp/collections/A00014
Acquisition Basis: 博士論文（自動収集）
Available (W3CDTF): 2015-03-03
Date Accepted (W3CDTF): 2015-02-03T05:25:05+09:00
Date Created (W3CDTF): 2019-08-05
Format (IMT): application/pdf
Access Restrictions: 国立国会図書館内限定公開
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Availability of remote photoduplication service: 可
Periodical Title (URI): http://hdl.handle.net/10191/30969
Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション
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