CTICasesEndobronchial Carcinoid
Imaging findings
Chest radiograph shows subsegmental right lower lobe atelectasis. CT and bronchoscopy demonstrate a small, well-defined endobronchial mass in a right lower lobe segment with associated branching mucus plugging (iceberg sign/bronchocele). Biopsy confirmed carcinoid tumor.
Key takeaways
Bronchial carcinoids are low-grade neuroendocrine tumors that frequently arise inside the bronchial lumen, presenting with post-obstructive atelectasis, recurrent pneumonia, or mucoid impaction.
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