CTICasesEndobronchial Metastasis of Myxoid Sarcoma
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Imaging findings
A patient with a remote history (20 years prior) of lower extremity myxoid sarcoma presented with a large, obstructing endobronchial lesion in the left lung on CT. The mass caused distal consolidation and contained some calcification.
Key takeaways
Sarcomas can metastasize to the lung, sometimes presenting as endobronchial lesions and with a very delayed onset many years after resection of the primary tumor. The presence of an obstructing lung mass, even with calcification, warrants investigation for malignancy, particularly in a patient with a history of sarcoma, regardless of the time interval.
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