AIRP best cases in radiologic-pathologic correlation: synovial chondrosarcoma.

Department of Radiology, University of Connecticut-John Dempsey Hospital, Farmington, USA.
Radiographics (Impact Factor: 2.73). 11/2011; 31(7):1883-8. DOI: 10.1148/rg.317105210
Source: PubMed
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    ABSTRACT: This article discusses several benign tumors and proliferative processes of the synovium including giant cell tumor of the tendon sheath, pigmented villonodular synovitis, synovial chondromatosis, lipoma arborescens, and synovial hemangioma, lipoma, and fibroma. We review the clinical features and imaging characteristics of each entity, with a special focus on the unique imaging findings that can enable a confident diagnosis or a limited differential diagnosis.
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    ABSTRACT: A 2-year-old boy presented with a giant mass in the masticatory space. The mass exhibited a lobulating ossification, with no attachment to the adjacent normal bone. An enucleation was performed under the tentative diagnosis of extra-articular synovial chondromatosis, benign ossifying neoplasm, non-neoplastic heterotopic ossification, or low-grade malignancy. Upon microscopic examination, the excised mass was composed of multiple osteocartilaginous areas. We hereby present detailed clinicopathological findings.
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