Patient Data
Age: 50 years
Gender: Male
From the case:
Pellegrini-Stieda lesion
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A thin curvilinear calcific density projects over the medial aspect of the distal femur. The remainder of the knee is essentially normal.
Case Discussion
The location of calcification is characteristic of a Pellegrini Stieda lesion and represents previous medial collateral ligament (MCL) injury.