CTICasesSmall cell lung carcinoma with pulmonary vein encasement
Imaging findings
Chest CT and PET/CT show a large right hilar mass representing small cell lung cancer, demonstrating encasement and compression of the right superior pulmonary vein, associated with unilateral lymphangitic tumor spread and asymmetric ground-glass opacities in the right upper lobe.
Key takeaways
Tumor encasement of a pulmonary vein can cause localized, venous hypertension-induced interstitial edema, which can mimic lymphangitic carcinomatosis or asymmetric pulmonary edema. Resolving the underlying mass usually relieves the venous compression.
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