SYNOVIAL OSTEOCHONDROMATOSIS

Primary or idiopathic synovial osteochondromatosis is an uncommon cond ition probably caused by synovial metaplasia and typically resulting i n multiple calcified periarticular bodies. Synovial osteochondromatosi s also may occur secondary to other joint disorders. This article revi ews the pathogenesis, pathologic features, clinical features, and radi ologic imaging of synovial osteochondromatosis. The differentiation of synovial osteochondromatosis from other conditions associated with pe riarticular calcified bodies is discussed.