Secondary synovial chondromatosis
Post traumatic knee pain
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- triple compartment osteoarthritis
- decreased medial joint space
- subchondral sclerosis.
- medial compartment articular cartilage thinning
- femoral condyle, tibial spine, patellar osteophytosis
- concretions in a small Baker's cyst in keeping with secondary synovial osteochondromatosis.
- focal edema in medial tibial subchondral surface.
- degenerate tear of posterior horn of medial meniscus
- lax myxoid degenerate anterior cruciate ligament
- retropatellar, superficial and deep infrapatellar bursal fluid.
- Hoffa fat inflammation
Secondary synovial osteochondromatosis is distinguished from primary entity by florid evidence of osteoarthritic changes, lack of extensive synovial proliferation and picture of mutliple trapped synovial cysts. A complicated Baker's cyst as it is adds on to the myriad of causes of knee pain in this patient.
- Murphey, Mark D., et al. "Imaging of Synovial Chondromatosis with Radiologic-Pathologic Correlation 1." Radiographics 27.5 (2007): 1465-1488. Pubmed citation