CTICasesSmall cell lung carcinoma
Imaging findings
Chest radiograph and CT show a dense segment of consolidative atelectasis confined to the lingula, with CT confirming a small obstructing endobronchial mass in the lingular bronchus with strict sparing of the left upper lobe bronchus. Bronchoscopic biopsy confirmed small cell lung carcinoma.
Key takeaways
Segmental airway obstruction, such as isolated lingular bronchus obstruction, is a less common presentation of lung cancer that can mimic benign mucous plugging or infection but requires careful evaluation to exclude malignancy.
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