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A 9-year-old girl with recurrent respiratory infection presented for evaluation for possible active tuberculosis. Multislice computed tomography of the chest showed no evidence of active tuberculosis, but there was an incidental finding of a tracheal bronchus (shown with black arrow on the volume-rendering reconstruction, along with the right main bronchus [arrowhead] and left main bronchus [white arrow], and on the virtual-bronchoscopy inset [arrow], along with the tracheal carina [arrowhead]). A tracheal bronchus is an aberrant bronchus that arises most often from the right tracheal wall above the carina and supplies the right upper lobe. The prevalence ranges from 0.1 to . . . [Full Text of this Article] |
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