Figure 1: Renal Oncocytoma and Chromophobe Renal Cell Carcinoma. H&E low and high power views and Hale’s colloidal iron stain. A: RO, low power view (HE, 10x); B: RO, note the rounded, cytological bland uniform nuclei (HE, 40x); C: RO, negative HCI with apical staining (HCI, 40x); D: ChRCC, low power view (HE, 2x); E: ChRCC, note some “raisinoid” nuclei with irregular contour (HE, 40x); F: ChRCC, intense and diffuse positivity for HCI (HCI, 40x)