CTICasesMeandering Pulmonary Veins
Imaging findings
Contrast-enhanced CT and coronal MIP reconstructions reveal anomalous, tortuous, and dilated pulmonary veins in the lower lung zones bilaterally. These vessels follow a "meandering" course through the lung parenchyma before ultimately draining normally into the left atrium.
Key takeaways
Meandering pulmonary veins are a rare, benign anatomical variant where pulmonary veins follow an unusually tortuous path through the lung. Unlike scimitar syndrome or partial anomalous pulmonary venous return, meandering veins do not connect to systemic veins (such as the IVC or SVC) and instead drain normally into the left atrium, meaning there is no left-to-right shunt and patients are asymptomatic.
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