CTICasesEndobronchial Metastasis from Extremity Sarcoma
Imaging findings
Sequential chest CT scans demonstrate rapid growth of an initially subtle, low-attenuation endobronchial nodule in the right mainstem bronchus over a period of two months, resulting in substantial luminal narrowing.
Key takeaways
Endobronchial metastasis from soft tissue sarcomas can progress rapidly and cause significant airway obstruction. Radiologists must carefully evaluate the central airways in oncologic follow-up scans to detect subtle endobronchial nodules before they lead to complete lobar collapse.
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