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Background <p>The traditional classification for lateral malleolus fracture has its limitations. In this study, we introduced a three-dimensional (3D) fracture mapping technique using computed tomography (CT) data to assess fracture line distributions and their impact on patient outcomes, offering a refined classification approach.</p> Methods <p>Retrospectively, we analysed 97 patients who underwent lateral malleolus fracture surgeries (2014–2019), using CT Digital Imaging and Communications in Medicine data to create 3D models and fracture maps. This methodology refined the Danis–Weber classification and enabled the assessment of fracture severity and syndesmotic stability through clinical scoring.</p> Results <p>Danis–Weber type B fractures were predominant (83.5%), showing a distinct pattern. Subtypes were identified based on the bone fragments that are clinically associated with increased injury severity but did not significantly affect syndesmotic stability or prognostic scores.</p> Conclusion <p>The 3D fracture map provides a detailed view of fracture characteristics, enabling precise classification. In type B fractures, bone fragments indicating higher trauma do not predict clinical outcomes, thereby supporting personalised surgical planning.</p>

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Morphological and clinical study of lateral malleolus fractures based on fracture mapping: a retrospective study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2024年12月31日

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  • Ruizhi Cai,
  • Shuo Feng,
  • Chuhan Chen,
  • Hao Lu,
  • Hailin Xu

摘要

Background

The traditional classification for lateral malleolus fracture has its limitations. In this study, we introduced a three-dimensional (3D) fracture mapping technique using computed tomography (CT) data to assess fracture line distributions and their impact on patient outcomes, offering a refined classification approach.

Methods

Retrospectively, we analysed 97 patients who underwent lateral malleolus fracture surgeries (2014–2019), using CT Digital Imaging and Communications in Medicine data to create 3D models and fracture maps. This methodology refined the Danis–Weber classification and enabled the assessment of fracture severity and syndesmotic stability through clinical scoring.

Results

Danis–Weber type B fractures were predominant (83.5%), showing a distinct pattern. Subtypes were identified based on the bone fragments that are clinically associated with increased injury severity but did not significantly affect syndesmotic stability or prognostic scores.

Conclusion

The 3D fracture map provides a detailed view of fracture characteristics, enabling precise classification. In type B fractures, bone fragments indicating higher trauma do not predict clinical outcomes, thereby supporting personalised surgical planning.