CTICasesPulmonary Venous Infarction due to Sarcoma Compression
Imaging findings
Serial CT scans show progressive compression and occlusion of the left superior and left inferior pulmonary veins by a large mediastinal sarcoma. The left lung demonstrates progressive consolidative opacities representing pulmonary venous infarction.
Key takeaways
Pulmonary venous infarction is a rare consequence of pulmonary vein occlusion, usually from tumor compression or post-ablation stenosis. Unlike arterial emboli, venous occlusion leads to severe congestion, alveolar hemorrhage, and necrotic consolidation, presenting with hemoptysis.
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