Kidney tumor
Adult renal cell carcinoma
Metastases to kidney

Author: Sean R. Williamson, M.D.

Revised: 19 April 2018, last major update June 2012

Copyright: (c) 2003-2018,, Inc.

PubMed Search: "kidney metastases"

Cite this page: Williamson, S.R. Metastases to kidney. website. Accessed May 24th, 2018.
Definition / general
  • Usually small, multiple and bilateral, wedge shaped, intracortical
  • Renal cell carcinoma is the most common recipient of tumor to tumor metastasis in malignant tumors (Urology 1987;30:35)
  • Primary sites are usually lung, melanoma (skin), breast, GI, pancreas, ovary, testis
Case reports
Gross description

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Metastatic squamous cell carcinoma of lung

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Multiple metastases to kidney


Small cell lung cancer

Solitary fibrous tumor

Microscopic (histologic) images

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Lung: metastatic squamous cell carcinoma

Pancreatic neuroendocrine carcinoma

Lung: adenocarcinoma metastatic to angiomyolipoma