Secondary degenerative changes of the knee are a well recognized complication of Giant Cell Tumor (GCT). Osteoarthritis (OA) may be a consequence of the lesion itself or its treatment. Total Knee Arthroplasty (TKA) is a treatment option for end stage knee arthritis. In the current study we describe the short term follow up of three patients that underwent TKA for treatment of GCT related OA between 2006–2007. The records of 180 consecutive patients treated for giant cell tumor of the knee between 1989 and 2007 in our institution were reviewed. Three patients were identified that had total knee arthroplasty following treatment of giant cell tumor of the knee, confirmed by tissue biopsy. The review included all clinical notes, pathology and operative reports. Outcomes were assessed based on knee scores and functional scores calculated according to the clinical rating system of The Knee Society, with the assignment of a maximum of 100 points for each. Patient ages range from 29–75 years of age. Assessment occurred pre-operatively as well as post-operatively at six weeks, three months, six months and then yearly. The development of osteoarthritis with severe knee pain was the primary indication for performing TKA.Purpose
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