CTICasesSternal Chondrosarcoma
Imaging findings
CT chest shows a large, expansile, osteolytic mass arising from the sternal body, containing internal chondroid (ring-and-arc) calcified matrix, with a soft tissue component invading the anterior mediastinum and chest wall.
Key takeaways
Chondrosarcoma is the most common primary malignant tumor of the chest wall. They typically arise in the ribs or sternum and present as slowly growing, palpable masses. Classic radiographic findings include a lytic bone lesion with characteristic chondroid (ring-and-arc) matrix mineralization.
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