CTICasesEndobronchial Renal Cell Carcinoma Metastases
Imaging findings
CT chest shows multiple lobulated intraluminal soft tissue masses within the central airways, with the largest lesion causing complete occlusion of the right upper lobe bronchus and associated post-obstructive atelectasis/fluid impaction. Another endobronchial lesion is noted in the middle lobe bronchus.
Key takeaways
Clear cell renal cell carcinoma is one of the most common primary malignancies to metastasize to the airways. Endobronchial metastases can cause cough, hemoptysis, and post-obstructive changes that mimic primary bronchogenic carcinoma. Bronchoscopic resection can be performed for palliative airway clearance.
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