ID | 52896 |
JaLCDOI | |
フルテキストURL | |
著者 |
Miyasaka, Dai
Division of Orthopaedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences
Ito, Tomoyuki
Division of Orthopaedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences
Imai, Norio
Division of Orthopaedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences
Suda, Ken
Division of Orthopaedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences
Minato, Izumi
Department of Orthopaedic Surgery, Niigata Rinko Hosipital
Dohmae, Yoichiro
Department of Orthopaedic Surgery, Shibata Hospital
Endo, Naoto
Division of Orthopaedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences
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抄録 | 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 evaluating 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.
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キーワード | hip dysplasia
three-dimensional imaging
femoral head coverage
acetabulum
patient positioning
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Amo Type | Original Article
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出版物タイトル |
Acta Medica Okayama
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発行日 | 2014-10
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巻 | 68巻
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号 | 5号
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出版者 | Okayama University Medical School
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開始ページ | 277
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終了ページ | 284
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ISSN | 0386-300X
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NCID | AA00508441
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資料タイプ |
学術雑誌論文
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言語 |
英語
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著作権者 | CopyrightⒸ 2014 by Okayama University Medical School
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論文のバージョン | publisher
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査読 |
有り
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PubMed ID | |
Web of Science KeyUT |