CTICasesCongenital Tracheal Bronchus with Anomalous Pulmonary Stated Branch
Imaging findings
CT demonstrates a large tracheal bronchus arising from the right lateral wall of the trachea above the carina, supplying the apical segment of the right upper lobe. An anomalous pulmonary artery branch arises directly from the main right pulmonary artery within the mediastinum to supply this segment.
Key takeaways
A tracheal bronchus (bronchus suis) is a congenital anomaly where an accessory bronchus originates directly from the trachea. While usually an isolated finding, it can rarely be associated with anomalous systemic or pulmonary arterial supply.
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