What is papillary renal cell carcinoma?

➢ Exhibit various degrees of papilla formation with fibrovascular cores. ➢ They tend to be bilateral and multiple. ➢ They also may show gross evidence of necrosis, hemorrhage, and cystic degeneration, but they are less vibrantly orange-yellow because of their lower lipid content. ➢ The cells may have a clear or, more commonly, pink cytoplasm