Renal cell carcinoma: Evolving and emerging subtypes

Figure 7 Clear cell papillary renal cell carcinoma (hematoxylin and eosin). A: The tumor has both a tubular and papillary architecture within a dense fibrous stroma (× 40); B: Other areas show a tubulopapillary growth pattern with delicate fibrovascular cores and conspicuous cytoplasmic clearing (× 100); C: The characteristic clear cells with low Fuhrman nuclear grade are seen with inverted linear positioning of the nuclei away from the basement membrane (× 200).