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Decreased interposition after closed reduction in the hip joint: a case of developmental dislocation of the hip observed by MRI

  • Published:
Journal of Orthopaedic Science

Abstract.

 A 4-month-old Japanese girl with a developmental dislocation of the right hip was treated with manual reduction under general anesthesia followed by cast immobilization. Serial magnetic resonance imaging (MRI) revealed that a large interposition of fat tissue in the acetabulum, observed immediately after cast immobilization, became remarkably small in size as the congruity improved after 3 weeks. These MRI findings demonstrate the mechanism of a “squeezing phenomenon” after reduction of the hip.

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Authors and Affiliations

  1.  Department of Orthopedic Surgery, Akita University School of Medicine, 1-1-1 Hondo, Akita 010-8543, Japan, , , , , , JP

    Wataru Watanabe, Eiji Itoi & Shin Yamada

  2.  Department of Radiology, Akita University School of Medicine, Akita, Japan, , , , , , JP

    Ryuji Sashi

Authors
  1. Wataru Watanabe
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  2. Eiji Itoi
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  3. Shin Yamada
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  4. Ryuji Sashi
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Additional information

Received: June 6, 2001 / Accepted: December 5, 2001

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Watanabe, W., Itoi, E., Yamada, S. et al. Decreased interposition after closed reduction in the hip joint: a case of developmental dislocation of the hip observed by MRI. J Orthop Sci 7, 397–399 (2002). https://doi.org/10.1007/s007760200066

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  • DOI: https://doi.org/10.1007/s007760200066

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