CTICasesMetastatic RCC with Thoracic Vessel Parasitism
Imaging findings
CT shows a highly vascular right pleural/pulmonary mass that parasitized blood supply from a hypertrophied right long thoracic artery and systemic chest wall veins, secondary to recurrent renal cell carcinoma.
Key takeaways
Metastatic renal cell carcinoma is notoriously hypervascular. When pleural or chest wall metastases develop, they can parasitize blood supply from systemic arteries and veins (e.g., long thoracic, intercostal), causing marked local vascular dilatation.
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