Intra-Articular Giant Heterotopic Ossification following Total Knee Arthroplasty for Charcot Arthropathy
Figure 3
Radiographs of the left knee three months after the patient became unable to walk. Intra-articular bony fragments are enlarged and form giant ectopic ossified masses ((a), (b), arrows). Note that the femoral component is displaced and shifted posteriorly (b).