CTICasesTracheal Bronchus with Anomalous Left Bronchus
Imaging findings
CT and coronal reformats demonstrate a tracheal bronchus arising near or just above the carina, with early take-offs of the anterior and posterior segments of the right upper lobe. Additionally, there is an anomalous left bronchus arising anomalously behind the left pulmonary artery, accompanied by an atypical left upper lobe fissure and tree-in-bud nodularity.
Key takeaways
The presence of one congenital tracheobronchial anomaly (such as a tracheal bronchus) should prompt a careful search for others, as they often occur together. This case demonstrates a complex branching anomaly along with a retro-arterial anomalous left bronchus.
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