Presentation
Chronic knee pain. No prior medical or surgical history.
Patient Data
Pellegrini-Stieda lesion seen at the medial aspect of medial femoral condyle indicating previous medial collateral ligament (MCL) injury.
Mild degenerative changes in tibiofemoral joint.
Pellegrini-Stieda lesion seen at the medial aspect of medial femoral condyle (arrow).
Case Discussion
Pellegrini-Stieda lesions are post-traumatic ossified lesions where the medial collateral ligament attaches to the medial femoral condyle.
In most cases the patient is asymptomatic, however, a small percentage of patients can suffer from chronic knee pain as in this case.