Fig. 1

H & E stain × 100 for (a) and × 400 for (b) showing photomicrographs of the renal tumor showing sheets of malignant cells with eosinophilic cytoplasm (a). b Some of the cells have a ‘flocculent’ eosinophilic cytoplasm while others show a perinuclear halo and binucleation (long arrows). There are a few crumpled-looking hyperchromatic nuclei while many of the cells show vesicular nuclei with prominent nucleoli (short arrows)