CTICasesVenous infarction from pulmonary vein occlusion
Imaging findings
Chest CT in a patient treated for mediastinal lymphoma shows complete occlusion of the right superior pulmonary vein and subsequent development of shifting, patchy consolidation with a crazy-paving pattern in the right upper lobe. Bronchoscopy confirmed chronic recurrent pulmonary hemorrhage with hemosiderin-laden macrophages.
Key takeaways
Pulmonary vein occlusion (secondary to tumor invasion or mediastinal radiation) can lead to pulmonary venous infarction and chronic recurrent alveolar hemorrhage. On CT, this manifests as progressive, patchy consolidations with a crazy-paving pattern in the affected lobe.
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