Renal cell carcinoma and mimics: pathologic primer for radiologists.

OBJECTIVE. The purpose of this article is to present a primer to review the gross and microscopic characteristics of the common types of renal cell carcinoma (RCC), such as clear cell RCC, papillary RCC, and chromophobe RCC. Renal oncocytoma and several new and emerging types of RCC are also described, such as tubulocystic carcinoma, acquired cystic kidney disease-associated RCC, clear cell papillary RCC, and oncocytic papillary RCC. CONCLUSION. This primer provides a concise description of the pathologic characteristics fo RCC for radiologists