小児の内反股遺残変形例の下肢 alignment のX線学的検討 Roentogenological Study of Mechanical Alignment of the Lower Extremity in Children with Coxa Vara

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小児股関節疾患で片側下肢に内反股を遺残した16例の下肢alignmentについて立位下肢連続X線写真前後像を用いてX線学的に検討した.内反股を遺残した原疾患はペルテス病13例,先天股脱2例,化膿性股関節炎1例であった.調査時の年齢は8~15歳,平均13歳であった.脛骨近位骨端幅を5等分した区画で下肢機能軸の通過点を検討した.下肢機能軸の通過していた区画でみると正常な中央区画が13例,生理的な許容範囲内と考えられる中央区画に隣接する区画が2例,病的な外側区画が1例であった.下肢alignment異常を認めなかった15下肢には膝変形はなかった.先天股脱の1例では下肢機能軸の膝関節での外側偏位と外反膝変形を認めた.小児の股関節疾患の治療後の内反股遺残症例では下肢alignment異常や膝の角状変形は生じ難いと考える.

This study was undertaken to reveal radiographically each alignment of the lower extremity in 16 children with unilateral coxa vara by full-length standing anteroposterior roentogenograms. Residual coxa vara included 13 Perthes' disease, two congenital dislocation of the hip and one purulent arthritis of the hip. The average age at presentation was 13 years (range 8 to 15 years). The width of the proximal tibial epiphysis was divided equally into five zones with mechanical axis of the lower extremity. The mid-zone is normally in 13 lower extremities, the zones of physiologic range including the adjacent mid-zone were considered to be normal variance in two lower extremities, and the lateral zone was considered to be pathologic in one lower extremity. Fifteen lower extremities with mechanical axis in normal and physiologic range had no angular deformity of the knee. One patient with congenital dislocation of the hip had lateral shift of the mechanical axis line and genu valugum deformity. We believe that malalignment of the lower extremity rarely developes in children with residual coxa vara after treatment of hip disease.

収録刊行物

  • 整形外科と災害外科  

    整形外科と災害外科 55(3), 345-347, 2006-09-25 

    West-Japanese Society of Orthopedics & Traumatology

参考文献:  3件

各種コード

  • NII論文ID(NAID)
    10018786772
  • NII書誌ID(NCID)
    AN00126582
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    00371033
  • データ提供元
    CJP書誌  J-STAGE 
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