BMJ Case Reports 2012; doi:10.1136/bcr-01-2012-5542

Chronic asymptomatic dislocation of the bearing in an Oxford unicompartmental knee replacement

  1. David Isaac
  1. Department of Trauma and Orthopaedics, Torbay Hospital, Torquay, Devon, UK
  1. Correspondence to Timothy Woodacre, timwoodacre{at}


Unicompartmental knee replacement is a common procedure for the treatment of osteoarthritis confined to one compartment of the knee. Dislocation of the mobile bearing is a recognised complication. We present a patient with a 6-year asymptomatic bearing dislocation, missed on original presentation.

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