CTICasesLeft Upper Lobe PAPVR
Imaging findings
Chest CT shows anomalous venous drainage of the left upper lobe. A separate vertical vein drains both the left upper lobe and the lingula into the left brachiocephalic vein, with absence of the normal left superior pulmonary vein.
Key takeaways
Left upper lobe partial anomalous pulmonary venous return (PAPVR) typically drains via a vertical vein to the brachiocephalic vein. Identifying separate draining branches from the lingula is a normal anatomic variant of this pathway.
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