CTICasesMeandering Pulmonary Vein
Imaging findings
Chest radiograph shows a tubular, curvilinear opacity in the lower lung that mimics a pulmonary nodule. Non-contrast CT reveals a tortuous, meandering pulmonary vein that loops through the lung parenchyma, crossing fissures and draining into the left atrium or connecting between pulmonary venous systems.
Key takeaways
A meandering pulmonary vein is a rare, benign developmental venous anomaly that can mimic a lung nodule or arteriovenous malformation on chest radiographs. Recognized on CT by its characteristic tortuous, vascular course without an associated feeding artery, it is typically an incidental finding requiring no treatment.
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