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Wheeless' Textbook of Orthopaedics
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Supination External Rotation Frx in Children



- See: Adult SER Frx:

- Stage I:
    - SH II frx of distal tibial physes w/ long spiral frx of distal tibia, which starts laterally at
          the growth plate, and progresses medially, proximally, and posteriorly;
    - metaphyseal fragment is localized posterio-medially;
          - on lateral radiographs, the SH II frx w/ the posteromedial metaphyseal fragment may
                resemble a supination-plantar flexion frx;
          - the distinction between the 2 frx is made on the AP view;

- Stage II:
    - if external rotational force continues, a spiral frx of fibula is seen,
          starting medially and running superiorly and posteriorly;

- Radiographs:  





  Roentgen stereophotogrammetric analysis of growth pattern after supination--eversion ankle injuries in children.







Original Text by Clifford R. Wheeless, III, MD.