Chronic knee pain
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There is calcification/ossification noted at the area of medial collateral ligament attachment into the femoral epicondyle suggestive of Pellegrini-Stieda lesion. Degenerative changes involving the medial joint compartment are also seen.
Pellegrini-Stieda lesion presents with specific radiographic appearance of calcification or ossification related to prior medial collateral ligament injury. The patient was followed up by MRI study and found to have a torn medial meniscus which likely explained the patient's presenting symptoms.
- James L. McAnally, Samuel L. Southam, Gary W. Mlady. New thoughts on the origin of Pellegrini-Stieda: the association of PCL injury and medial femoral epicondylar periosteal stripping. Skeletal Radiology. 38 (2): 193. doi:10.1007/s00256-008-0604-7