Abstract
The purpose of this report is to describe giant solitary synovial chondromatosis, a previously unrecognized feature of synovial chondromatosis that may histologically and radiographically mimic a malignant neoplasm. Giant solitary synovial chondroma is an intra-and/or extraarticular lesion measuring over 1 cm in size and sometimes as large as 20 cm. The radiographic appearance is that of a large, well-marginated mass either of irregular feathery calcification from coalescence of multiple small synovial chondromas, or a rounded calcified mass from the growth of a single synovial chondroma. Radiographically, giant solitary synovial chondromatosis may appear similar to chondrosarcoma and parosteal osteosarcoma.
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Edeiken, J., Edeiken, B.S., Ayala, A.G. et al. Giant solitary synovial chondromatosis. Skeletal Radiol. 23, 23–29 (1994). https://doi.org/10.1007/BF00203697
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DOI: https://doi.org/10.1007/BF00203697