CTICasesScimitar Syndrome with Left Tracheal Bronchus and Persistent Left SVC
Imaging findings
Chest radiograph and CT show a hypoplastic right lung with a scimitar vein draining into the inferior vena cava junction. There is a persistent left superior vena cava (SVC), mirror-image hyparterial bronchi, and a left tracheal bronchus causing air trapping and bronchiectasis in the left upper lobe.
Key takeaways
Scimitar syndrome (congenital pulmonary venolobar syndrome) is characterized by anomalous pulmonary venous return from the right lung to the IVC. It can be associated with multiple other congenital anomalies, including systemic arterial collaterals, persistent left SVC, and abnormal airway branching such as a left tracheal bronchus.
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