Primary total knee arthroplasty performed 20 years after treatment for giant cell tumor.

This article reports a case of primary total knee arthroplasty for osteoarthritis in a patient who underwent treatment 20 years previously for a large giant cell tumor presenting with an intraarticular knee fracture. The arthroplasty was made technically challenging by the abnormal shape of the distal femur. The reconstruction was facilitated by the use of stemmed components and autogenous bone graft. The medium-term results are encouraging. This case suggests a good outcome can be achieved in the presence of distorted distal femoral anatomy.