Figure 5.

Radiographs of the left patella after bone cement packing. Radiographs of the patella 17 months after surgery. The small X-rays were performed 1 week after filling of the cavity with bone cement. Note the lack of the inferior cortex of the patella (a - small), which is remodelled at last follow-up. b shows degenerative changes at last follow-up but without clinical symptoms.