Degenerative Changes of the Human Sternoclavicular Joint Disc, Comparable with Osteoarthrotic Articular Cartilage -A Histopathological Study-

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  • EMURA Kenji
    Faculty of Health Sciences, Graduate School of Medicine, Kobe University
  • MATSUZAKI Taro
    Division of Rehabilitation Science, Department of Health Science, Graduate School of Medical Science, Kanazawa University
  • HOSO Masahiro
    Division of Rehabilitation Science, Department of Health Science, Graduate School of Medical Science, Kanazawa University

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Other Title
  • ヒト胸鎖関節円板に出現する変形性関節症に類似した変性像の病理組織学的検討
  • ヒト キョウサ カンセツ エンバン ニ シュツゲンスル ヘンケイセイ カンセツショウ ニ ルイジシタ ヘンセイゾウ ノ ビョウリ ソシキガクテキ ケントウ
  • -A Histopathological Study-
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Abstract

Aim: The sternoclavicular joint (SCJ) articulates the upper limbs and the trunk is thought to deeply participate with the movement of the upper limbs. The SCJ has an articular disc which provides function as a spheroid joint. The purpose of this study was to investigate the SCJ disc histopathologically. Materials and Methods: Human SCJ discs obtained from autopsy cases without arthro-skeletal diseases, were investigated histopathologically, using a light microscope. Results: We observed the findings of tear, myxoid degeneration and chondrocyte cloning in the SCJ discs. Almost all discs showed surface avulsion like hangnails. Conclusions: The histopathological findings of the SCJ discs in this study correspond approximately with the reports of menisci. The avulsion like hangnails may indicate a distinctive style of fibrillation of the SCJ disc. <br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 22 (3), 345-351, 2007

    The Society of Physical Therapy Science

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