CTICasesMediastinal Chondrosarcoma
Imaging findings
Radiographs and CT scans demonstrate a slow-growing superior mediastinal mass that contains a dense chondroid matrix of calcification and bone formation. The mass is closely abutted against the upper thoracic vertebral bodies without causing significant bony destruction.
Key takeaways
Primary mediastinal chondrosarcoma is an extremely rare, slow-growing malignant neoplasm that presents with characteristic ring-and-arc or dense bone calcifications. While they can arise from the spine, ribs, or trachea, they can also occur as primary extraosseous mediastinal masses that are difficult to completely resect.
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