CTICasesEndobronchial Foreign Body
Imaging findings
CT chest shows a low-attenuation, fatty density endobronchial mass obstructing the right lower lobe bronchus, with associated hyperinflation and air trapping in the right lower lobe. Bronchoscopy confirmed an aspirated peanut.
Key takeaways
Aspirated organic foreign bodies (such as peanuts) can present as endobronchial masses with fatty attenuation on CT due to high lipid content. The oil is highly irritating to the airway mucosa, causing local edema and a ball-valve obstruction that leads to severe distal air trapping.
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