The Knee
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A 63-year-old gentleman presented with a history of worsening left knee pain almost 5 years following bilateral uni-compartmental knee replacements. X-Rays revealed a fracture of the medial tibial plateau and revision surgery was undertaken. ⋯ Cyst progression in association with wear debris is a rare problem following unicompartmental knee replacement. The findings at the time of revision in this case demonstrate that the complications of unicompartmental arthroplasty may affect all compartments of the knee.