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Knee deformity following a motor vehicle accident
  1. Wen-Wei Li1,
  2. Cheng-Chang Lu2,3
  1. 1 Department of Orthopedics, Kaohsiung Medical University Chung Ho Memorial Hospital, Kaohsiung, Taiwan
  2. 2 Department of Orthopedics, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
  3. 3 Department of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
  1. Correspondence to Dr Cheng-Chang Lu, Department of Orthopedics, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; cclu0880330{at}gmail.com

https://doi.org/10.1136/emermed-2020-210054

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    Clinical Introduction­

    A 60-year-old male patient presented to the ED with a painful deformity of the left knee following a motor vehicle accident. He was unable to actively perform knee flexion and extension. Physical examination showed a swollen knee with fixed valgus-flexed deformation. The appearance of the knee joint revealed a puckered skin with a recession at the medial joint line (figure 1). The patient denied sensational loss or numbness of his distal limb with intact pulsation in distal limb dorsalis pedis and posterior tibial …

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    Footnotes

    • Contributors Both authors contributed equally to this manuscript.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests None declared.

    • Patient and public involvement Patients and/or the public were not involved in the design, conduct, reporting or dissemination plans of this research.

    • Provenance and peer review Not commissioned; internally peer reviewed.