CTICasesSmall cell lung cancer causing pulmonary ischemia and infarction
Imaging findings
CT scan demonstrates a large right-sided mediastinal mass causing severe compression and narrowing of the right upper lobe pulmonary artery, resulting in non-enhancing, wedge-shaped peripheral consolidation representing pulmonary ischemia and infarction.
Key takeaways
Rapidly growing malignancies, such as small cell lung carcinoma, can compress or invade the pulmonary vasculature, causing downstream ischemia and wedge-shaped pulmonary infarction that can be mistaken for simple pneumonia.
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