CTICasesTracheal Bronchus
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Imaging findings
Coronal chest CT reformats show a tracheal bronchus originating from the right lateral wall of the trachea just above the carina, supplying the apical and anterior segments of the right upper lobe, along with a separate branch from the bronchus intermedius supplying the posterior segment.
Key takeaways
A tracheal bronchus is a congenital anomaly where an ectopic bronchus originates directly from the trachea, usually on the right side. While often found incidentally, it can have variable and unusual branching patterns supplying different segments of the upper lobe, and can occasionally be associated with recurrent segment-specific infections, atelectasis, or intubation complications.
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