CTICasesMetastatic Chondrosarcoma with Left Atrial Extension
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[...]. Metastatic Chondrosarcoma with Left Atrial Extension. CTICases. Published October 3, 2014. https://str-case-explorer.pages.dev/c/6jsf5
Imaging findings
Chest CT shows a massive metastatic mass in the right lower lobe that expands and invades the right inferior pulmonary vein, extending directly into the left atrium and projecting across the mitral valve into the left ventricle. Multiple other bilateral pulmonary metastases are also present.
Key takeaways
Primary malignant bone tumors like chondrosarcoma can metastasize widely. Pulmonary metastases from aggressive tumors can occasionally invade pulmonary veins and grow contiguously into the left heart chambers, presenting a high risk for systemic embolization and cardiac dysfunction.
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