Presentation
Bilateral knee pain
Patient Data
Age: 70 years
Gender: Female
From the case:
Primary synovial chondromatosis
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Multiple globular calcific lesions are seen around the right knee anteriorly and the popliteal fossa posteriorly (chondromatosis of a Baker cyst synovial membrane) with medial knee joint compartment involvement.
Case Discussion
Primary synovial chondromatosis (or Reichel syndrome) is a benign mono-articular disorder of unknown origin that is characterized by synovial metaplasia and proliferation resulting in multiple intra-articular cartilaginous loose bodies of relatively similar size, not all of which are ossified