CTICasesEndobronchial Lung Cancer with Obstructive Mucus Plug and Lymphadenopathy
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Imaging findings
Frontal chest radiograph reveals left hilar and aortopulmonary window fullness. Contrast-enhanced chest CT demonstrates extensive left hilar, prevascular, and aortopulmonary window lymphadenopathy, associated with an elongated endobronchial soft-tissue mass in the left upper lobe bronchus causing distal mucoid impaction with enhancing tissue components.
Key takeaways
Endobronchial neoplasms can present with features of bronchial obstruction, such as distal mucus impaction (mucocele) or post-obstructive lobar atelectasis, which can mimic a simple mucus plug on imaging. The presence of a soft tissue component with enhancement and associated regional lymphadenopathy strongly points toward a neoplastic etiology, requiring bronchoscopic evaluation and biopsy.
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