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Spontaneous late dislocation of the high flexion tibial insert after Genesis II total knee arthroplasty. A case report

Rutten SG, Janssen RPA
The Knee 2009;16(5):409-11

We present the first case of late spontaneous dislocation of a high flexion polyethylene insert after Genesis II total knee arthroplasty. Dislocation of the fixed insert occurred at 14 months post surgery while walking down a steep aircraft staircase. The total knee arthroplasty had been uneventful till that moment. The clinical presentation, possible causes and management are discussed. A surgical error, failure to remove a posterior femoral osteophyte, seems the most probable cause for the late insert dislocation in our case.

http://www.thekneejournal.com/article/S0968-0160(09)00030-1/abstract