BMJ Case Reports 2011; doi:10.1136/bcr.10.2011.4919
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A rare case of a ball and socket ankle joint

  1. Roland Fernandes
  1. Orthopaedic Department, Medway Maritime Hospital, Kent, UK
  1. Correspondence to Roland Fernandes, rfernandes{at}


A 50-year-old otherwise well gentleman presented with mild pain and stiffness in his right ankle. Remarkably, radiographs revealed gross congenital deformities. The ankle mortice was semicircular and the subtalar joints fused (figure 1). There were only three metatarsals. The bases of the …

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