OCAD MSK

History

Arthroplasty with pretibial leg ulcer at the distal calf

Figure 1 for case Presumed chronic material-related osteolysis — Figure 1

Figure 2 for case Presumed chronic material-related osteolysis — Figure 2

Discussion

x-ray - Progressive osteopenia and lucency around tip of tibial screw. CT - lytic bone changes at the tibial prosthesis with a medial cortical defect. MR - cystic bone lesions at the tibial arthroplasty component extend out of the bone through a small defect. No surrounding marrow or soft tissue edema at this level.

Diagnosis

Presumed chronic material-related osteolysis

Andrei Dumitrescu, MD

Courtesy

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