Presentation
Bilateral knee pain
Patient Data
Age: 70 years
Gender: Female
From the case:
Primary synovial chondromatosis
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_pin":false},"extraPropsURL":"/studies/39527/annotated_viewer_json?lang=us"}
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