Summary
Four cases of recurrent instability of the ankle joint are reported. The instability was associated with a separate centre of ossification of the lateral malleolus and abnormal movement between the ossicle and the distal fibula. All patients were successfully treated by surgery: two underwent internal fixation and ligamentous reconstruction and two, ligamentous reconstruction after removal of the ossicle.
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Karlsson, J., Lansinger, O. Separate centre of ossification of the lateral malleolus with instability of the ankle joint. Arch Orthop Trauma Surg 109, 291–292 (1990). https://doi.org/10.1007/BF00419948
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DOI: https://doi.org/10.1007/BF00419948