| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○著者 (必須): | 1. | 西良 浩一 ([徳島大学.大学院医歯薬学研究部.医学域.医科学部門.外科系.運動機能外科学])
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| 2. | 酒井 紀典 ([徳島大学.病院.中央診療施設等.高度先進整形外科診療部])
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| 3. | (英) Yasuyoshi Mase (日) (読)
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| 4. | (英) Tamiyo Kon (日) (読)
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| 5. | (英) Isao Shibuya (日) (読)
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| 6. | (英) Yasuo Kanamori (日) (読)
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| 7. | (英) Tatsuo Kosugi (日) (読)
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| 8. | (英) Akira Dezawa (日) (読)
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| ○題名 (必須): | □ | (英) Painful lumbar spondylolysis among pediatric sports players: a pilot MRI study. (日)
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| ○要約 (任意): | □ | (英) For children and adolescents who are very active athletes, fresh lumbar spondylolysis is the main pathologic cause of lower back pain (LBP). However, regarding the terminal-stage spondylolysis (pars defect), there have been few studies to clarify the pathomechanism of LBP. The purpose of this study is to clarify the cause of LBP associated with pars defects in athletes. This is the first report showing a possible pathomechanism of LBP in active athletes with painful pars defect. Six pediatric athletes (5 boys and 1 girl) below 18 years old with painful bilateral lumbar spondylolysis were evaluated. In all cases, spondylolysis was identified as terminal stage (pseudoarthrosis) on CT scan. To evaluate the inflammation around the pars defects, short time inversion recovery (STIR) MRI was performed along with the sagittal section. Fluid collection, which is an indicator of inflammatory events, was evaluated in 12 pars defects as well as in 12 cranial and caudal adjoining facet joints. Inflammation (i.e., fluid collection) was observed in all 12 pars defects in six subjects at the pseudoarthrotic pars defects. In terms of facet joints, 7 of 12 (58%) pars defects showed fluid collection at the cranial and/or caudal adjoining joints on STIR MRI. The present study showed that inflammation was always present at the pars defects and in some cases at the adjoining facet joints. Thus, it is not difficult to understand how, during sports activity, inflammation may first occur at the pseudoarthrotic site and then spread to the adjoining facet joints. This mechanism could cause LBP associated with terminal-stage (pseudoarthrotics) spondylolysis in athletes. (日)
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| ○キーワード (推奨): | 1. | (英) Adolescent (日) (読)
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| 2. | (英) Child (日) (読)
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| 3. | (英) Female (日) (読)
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| 4. | (英) Humans (日) (読)
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| 5. | (英) Low Back Pain (日) (読)
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| 6. | (英) Lumbar Vertebrae (日) (読)
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| 7. | (英) Magnetic Resonance Imaging (日) (読)
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| 8. | (英) Male (日) (読)
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| 9. | (英) Pilot Projects (日) (読)
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| 10. | (英) Prospective Studies (日) (読)
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| 11. | (英) Spondylolysis (日) (読)
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| 12. | (英) Sports (日) (読)
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| ○発行所 (推奨): |
| ○誌名 (必須): | □ | Archives of Orthopaedic and Trauma Surgery (German Speaking Arthroscopy Association)
(pISSN: 0936-8051, eISSN: 1434-3916)
| ○ISSN (任意): | □ | 1434-3916
ISSN: 0936-8051
(pISSN: 0936-8051, eISSN: 1434-3916) Title: Archives of orthopaedic and trauma surgeryTitle(ISO): Arch Orthop Trauma SurgSupplier: Springer Online Journal ArchivePublisher: Springer (NLM Catalog)
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| ○巻 (必須): | □ | 131
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| ○号 (必須): | □ | 11
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| ○頁 (必須): | □ | 1485 1489
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2011年 6月 14日 (平成 23年 6月 14日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1007/s00402-011-1336-z (→Scopusで検索)
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| ○PMID (任意): | □ | 21671077 (→Scopusで検索)
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| ○備考 (任意): | 1. | (英) Article.Affiliation: Department of Orthopedic Surgery, Teikyo University Mizonokuchi Hospital, 3-8-3 Mizonokuchi, Takatsu-ku, Kawasaki 213-8507, Japan. sairyokun@hotmail.com (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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