CTICasesCystic Sarcoma Metastases
Imaging findings
Chest CT shows multiple new thin-walled cystic lesions and solid nodules in the lungs of a patient with a history of pleomorphic sarcoma, developing over a four-month period.
Key takeaways
Cystic metastases can occur in sarcomas and epithelioid malignancies. They can mimic benign cysts or pneumatoceles and are thought to result from tumor necrosis or a check-valve mechanism in small airways.
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