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http://dx.doi.org/10.5292/jkbjts.2010.16.2.95

Giant Synovial Chondromatosis of the Knee Mimicking a Parosteal Osteosarcoma: A Case Report  

Kang, Chang-Ho (Department of Radiology, Korea University Anam Hospital)
Park, Jong-Hoon (Department of Orthopedic Surgery, Korea University Anam Hospital)
Lee, Dae-Hee (Department of Orthopedic Surgery, Korea University Anam Hospital)
Kim, Chul-Hwan (Department of Pathology, Korea University Anam Hospital)
Park, Jeong-Mi (Department of Radiology, Catholic University St. Mary's Hospital)
Lee, Won-Seok (Department of Orthopedic Surgery, Korea University Anam Hospital)
Publication Information
The Journal of the Korean bone and joint tumor society / v.16, no.2, 2010 , pp. 95-98 More about this Journal
Abstract
Synovial chondromatosis is a benign nodular cartilaginous proliferation arising in the synovium of joints. The radiolographic features of this condition are variable. Rarely, it would be confused with malignancy such as chondrosarcoma, osteosarcoma or synovial sarcoma. We report a case of primary synovial chondromatosis of the posterior aspect of the proximal tibia mimicking a parosteal osteoarcoma on the radiography, which showed a homogeneously radiopaque juxtacortical mass. However, subsequent computed tomography (CT) showed multiple intra-articular masses containing chondroid mineralization, suggesting synovial chondromatosis.
Keywords
synovial chondromatosis; parosteal osteosarcoma; diagnostic imaging;
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