Resumen

ARELLANO AGUILAR, José Gregorio; MAGANA REYES, Jorge Ignacio; ROA PANTOJA, Pamela Haydee  y  DOMINGUEZ CARRILLO, Luis Gerardo. Metastasis of renal carcinoma in the right atrium and ventricle. Acta méd. Grupo Ángeles [online]. 2026, vol.24, n.3, pp.316-317.  Epub 30-Jul-2026. ISSN 1870-7203.  https://doi.org/10.35366/123165.

Clear cell carcinoma (CCC) is characterized by paradoxical clinical presentations and rare metastatic spread. Sarcomatous differentiation is present in 5% of cases. Bone and lung metastases are common, but cardiac extension is extremely rare. This is due to CCC extending via the renal vein and inferior vena cava in 5-15% of cases, affecting the right atrium in 1% of patients, or presence of a primary tumor that metastasizes directly to heart, occurring in 10-20% of patients who die from disseminated CCC. Metastases without vena cava involvement or without evidence of disseminated disease is extremely rare.

Palabras llave : renal carcinoma; heart metastasis; dissemination routes.

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