CTICasesCongenital Atresia of Right Superior Pulmonary Vein with Anomalous Drainage
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Imaging findings
CT revealed multiple unusual vessels and arcades in the right lung. Careful review showed no patent right superior pulmonary vein draining into the left atrium; instead, all these vessels were draining inferiorly in the right lung via a relatively large inferior pulmonary vein into the left atrium. Pulmonary angiogram did not identify a pulmonary AVM.
Key takeaways
This case demonstrates a complex congenital venous anomaly, specifically an atresia of the right superior pulmonary vein with anomalous collateral drainage into the inferior pulmonary vein. This can be mistaken for a pulmonary AVM, leading to unnecessary investigations or interventions. Recognizing the specific venous anomaly is crucial for correct diagnosis and management.
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