CTICasesAnomalous Origin of Right Subclavian Artery from Pulmonary Artery
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Imaging findings
The patient had complex congenital heart disease including a large VSD, an ASD, and an atretic aortic arch, where the aorta ended as the great vessels. A novel finding was the right subclavian artery originating from the main pulmonary artery, which was confirmed at surgery.
Key takeaways
Anomalous origin of the right subclavian artery from the pulmonary artery is an extremely rare congenital anomaly. It can occur in patients with other complex congenital heart diseases, such as large VSDs, ASDs, and aortic arch atresia. This highlights the spectrum of unusual vascular anomalies that can be encountered.
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