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Kidney tumor - adult malignancies

Adult renal cell carcinoma

Metastases to kidney

Reviewers: Sean Williamson, M.D. (see Reviewers page)
Revised: 29 June 2012, last major update June 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.


● 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

● Breast adenoid cystic carcinoma (Hum Pathol 2007;38:1425)
● Cervical metastasis resembling an abscess (Eur J Cancer Care (Engl) 2007;16:526)
● Lung and pancreatic tumors metastatic to angiomyolipoma (Arch Pathol Lab Med 2008;132:1016)
● Lung adenocarcinoma metastatic to clear cell renal cell carcinoma (Arch Pathol Lab Med 2005;129:e49)
● Osteosarcoma (Clin Genitourin Cancer 2008;6:124)
● Parotid gland malignant mixed tumor (Am J Surg Pathol 2000;24:1159)

Gross images

Multiple metastases to kidney

Metastatic squamous cell carcinoma of lung


Small cell lung cancer

Solitary fibrous tumor

Micro images

Lung: adenocarcinoma metastatic to angiomyolipoma

Lung: metastatic squamous cell carcinoma

Pancreatic neuroendocrine carcinoma metastatic to angiomyolipoma

End of Kidney tumor - adult malignancies > Adult renal cell carcinoma > Metastases to kidney

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