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

Wataru Watanabe, Eiji Itoi, Shin Yamada, Ryuji Sashi

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)397-399
Number of pages3
JournalJournal of Orthopaedic Science
Volume7
Issue number3
DOIs
Publication statusPublished - 2002
Externally publishedYes

Keywords

  • Developmental dislocation of the hip
  • Interposition
  • Magnetic resonance imaging
  • Shrinkage of the interposition

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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