Proposal for an Auxiliary Tool Designed to Reduce Retake Rates for Lateral Radiography of the Knee Joint

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  • Yasuda Yu
    Division of Radiological Technology, Showa University Hospital
  • Sato Hisaya
    Showa University Graduate School Medical Care Study Graduate Course Medical-examination Radiation Domain
  • Ohsawa Miwa
    Division of Radiological Technology, Showa University Hospital
  • Takahashi Kanji
    Division of Radiological Technology, Showa University Hospital
  • Noda Chikara
    Division of Radiological Technology, Showa University Hospital
  • Sai Syogo
    Division of Radiological Technology, Showa University Hospital
  • Sukezaki Fumio
    Department of Orthopaedic Surgery, Showa University School of Medicine
  • Nakazawa Yasuo
    Showa University Graduate School Medical Care Study Graduate Course Medical-examination Radiation Domain

Bibliographic Information

Other Title
  • 膝関節側面撮影における再撮影率減少を目的とした補助具の提案
  • 臨床技術 膝関節側面撮影における再撮影率減少を目的とした補助具の提案
  • リンショウ ギジュツ シツカンセツ ソクメン サツエイ ニ オケル サイサツエイリツ ゲンショウ オ モクテキ ト シタ ホジョグ ノ テイアン

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Description

The reproducibility of lateral radiography of the knee joint in the lateral position is low because patient positioning can be easily affected by passive rotation of the knee joint. We calculated the correction angle of the femoral external rotation and the lower leg elevation and developed our own auxiliary tool for obtaining a lateral view image. We were able to obtain, in a single attempt, an image with misalignment of the condyle limited to less than 7 mm. Our tool also contributed to the reduction of the re-imaging rate, suggesting its usefulness in contributing to a lower re-imaging rate for lateral radiography of the knee joint.

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