Patellofemoral arthroplasty (PFA) is a partial replacement of the knee, involving the kneecap portion of the joint. This may be an option for a knee that has only worn out in one of the three areas of ...

Al Roker is in good spirits after undergoing a second knee replacement surgery ... Al then held up his phone to show an X-ray of his new knee following the surgery. "There's a hinge that goes ...

Patellar replacement in stage-one revision total knee arthroplasty reduced lateral patellar displacement. Fracture rate was higher in patients who did not receive a patellar replacement at stage ...