Presentation
Total ankle replacement 4 years ago. Now pain and instability.
Patient Data
Age: 65 years
Gender: Male
From the case:
Collapsed total ankle replacement
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Varus deformity with lateral extrusion of the polyethylene spacer and collapse of the lateral talar component with impingement medially. Note development of well defined cystic lesion in the distal fibula.
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Slight varus deformity. No hardware failure. No periprosthetic lucency.
From the case:
Collapsed total ankle replacement
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Development of large well defined cystic lesions in talus, tibia and fibula due to wearing of the polyethylene spacer and foreign body granulomatous reaction leading to bone erosion and collapse of the talar component.