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Bone marrow edema and subchondral fracture in osteonecrosis of the femoral head: analysis with MRI and CT
http://hdl.handle.net/10069/32065
http://hdl.handle.net/10069/32065f4ccca47-3caf-4481-924b-a33c2ced4fc0
名前 / ファイル | ライセンス | アクション |
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ActMed58_13.pdf (2.0 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2013-05-30 | |||||
タイトル | ||||||
タイトル | Bone marrow edema and subchondral fracture in osteonecrosis of the femoral head: analysis with MRI and CT | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Osteonecrosis of femoral head (ONFH) | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Bone marrow edema (BME) | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Magnetic resonance imaging (MRI) | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Subchondral fracture | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
Abumis, Hesham M
× Abumis, Hesham M× Uetani, Masataka× Yamaguchi, Tetsuji |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Purpose: To study the relationship between bone marrow edema (BME) and subchondral fracture in osteonecrosis of the femoral head (ONFH), and to analyze MRI findings of subchondral fracture and correlate them with those of CT. Materials and Methods: Fifty seven hips in 38 patients with ONFH were studied retrospectively. Images were obtained with 1.5-T MRI unit and multidetector helical CT. Selected hips were divided into edema positive and edema negative groups. In each group presence or absence of subchondral fracture and/or collapse of femoral head was assessed, and the MR findings were compared with those of CT. Results: Thirty (52.6%) of 57 hips showed BME during the course of ONFH. In these edema positive group, 29 (96.7%) of 30 hips showed subchondral fracture and/or femoral head collapse, whereas only 7 (25.9%) of 27 hips in edema negative group showed subchondral fracture and/or FH collapse (P <0.0001). A low-signal intensity line on T1 and T2 weighted MR images and linear lucency on CT were the most common patterns of subchondral fracture. Conclusion: Our study showed significant relationship between BME and subchondral fracture/ femoral head collapse and supported the results of previous studies in considering BME as a marker for potential progression of osteonecrosis. |
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書誌情報 |
Acta medica Nagasakiensia 巻 58, 号 1, p. 13-18, 発行日 2013-04 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00016055 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00508430 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | Nagasaki University School of Medicine | |||||
出版者別言語 | ||||||
長崎大学医学部 | ||||||
関係URI | ||||||
関連名称 | http://hdl.handle.net/10069/32733 | |||||
sortkey | ||||||
3 | ||||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Acta medica Nagasakiensia, 58(1), pp.13-18; 2013 |