Chromophobe renal cell carcinoma (RCC):

A) Gross:
Typically appears as a well-circumscribed, homogeneous, tan tumor.
B) Microscopy:
Chromophobe RCC with admixture of classic (chromophobic) and eosinophilic
cells. Characteristic features include distinct cytoplasmic borders, perinuclear
halos, and nuclear “raisins.” The classic variant is notable for its “plant cell”
appearance.
C) Special staining:
Chromophobe RCC stains positive for Hale colloidal iron.