Journal of medical case reports · 2026
Renal cell carcinoma masquerading as acute exacerbation of right-sided heart failure: a case report.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Ong Claire Victoria, Novotny Kaitlyn V, Dicaro Michael V, Samlowski Wolfram, Singh Aditi
Аннотация
BACKGROUND: Renal cell carcinoma is the most common malignancy involving the kidney. This cancer has a propensity for extensive invasion and metastatic spread. Tumor thrombus invasion into the inferior vena cava or renal vein occurs in less than 15% of patients with late stage renal cell carcinoma. Further extension up the inferior vena cava into the chambers of the heart is exceedingly rare, documented in less than 1% of all cases.
CASE PRESENTATION: Here, we report a case of renal cell carcinoma presenting with what appeared to be an acute exacerbation of right-sided congestive heart failure and fluid overload in a 59-year-old African American male patient. Subsequent imaging revealed the presence of a primary renal cell carcinoma, diffuse metastatic lesions, and intravascular tumor thrombus extension from the inferior vena cava into the right atrium.
CONCLUSION: This case highlights the diagnostic challenges of RCC due to its diverse metastatic potential and propensity for multisystem complications. Furthermore, it emphasizes the importance of considering a broad range of possibilities in the clinical context of suspected occult malignancy.
CASE PRESENTATION: Here, we report a case of renal cell carcinoma presenting with what appeared to be an acute exacerbation of right-sided congestive heart failure and fluid overload in a 59-year-old African American male patient. Subsequent imaging revealed the presence of a primary renal cell carcinoma, diffuse metastatic lesions, and intravascular tumor thrombus extension from the inferior vena cava into the right atrium.
CONCLUSION: This case highlights the diagnostic challenges of RCC due to its diverse metastatic potential and propensity for multisystem complications. Furthermore, it emphasizes the importance of considering a broad range of possibilities in the clinical context of suspected occult malignancy.