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Secondary synovial chondromatosis

Dr Yuranga Weerakkody and Radswiki et al.

Secondary synovial chondromatosis (SOC) is a disorder that results in intra-articular loose bodies as a result of trauma, osteoarthrosis, or neuropathic arthropathy. It is quite distinct to primary synovial chondromatosis. Pathologically concentric rings of growth may be seen.

Radiographic features

Secondary osteochondromatosis typically demonstrates associated and more prominent changes of the underlying degenerative disease of the joint. Any intraarticular bodies tend to be larger, less numerous, and more varied in size ans shape than in primary synovial chondromatosis.

References

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1. Murphey MD, Vidal JA, Fanburg-smith JC et-al. Imaging of synovial chondromatosis with radiologic-pathologic correlation. Radiographics. 27 (5): 1465-88. doi:10.1148/rg.275075116 - Pubmed citation
2. Peh WC, Shek TW, Davies AM et-al. Osteochondroma and secondary synovial osteochondromatosis. Skeletal Radiol. 1999;28 (3): 169-74. - Pubmed citation