Pleural Osteosarcoma Metastasis
Imaging findings
Serial CT scans over one year show a small pleural nodule with focal calcification that slowly enlarges into a lobulated soft tissue mass, representing pleural metastasis from treated osteosarcoma.
Key takeaways
Pleural metastases from osteosarcoma can initially appear as tiny, calcified pleural bumps, mimicking benign granulomatous disease or subpleural lymph nodes. Growth on serial imaging confirms malignancy.
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