CTICasesMeandering Pulmonary Vein with Anomalous Connection to Right Innominate Vein
Imaging findings
A tortuous vessel is observed, initially appearing as a hypertrophied bronchial artery. It can be traced superiorly to connect with the right innominate vein and inferiorly to a superior pulmonary vein branch, representing an anomalous pulmonary venous connection. There is no evidence of superior vena cava stenosis.
Key takeaways
This is a rare instance of a meandering pulmonary vein with anomalous drainage to the right innominate vein, without associated superior vena cava obstruction. Such systemic-to-pulmonary venous connections are embryologically present but usually regress, and their persistence or opening is typically seen with SVC syndrome. This case shows an open connection without such syndrome.
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