Fig. 2From: Clear cell and papillary renal cell carcinomas in hereditary papillary renal cell carcinoma (HPRCC) syndrome: a case reportImmunohistochemical staining of a papillary adenoma showing a strong positivity for cytokeratin 7 (original magnification × 100) (a), and racemase (original magnification × 100) (b). Centromere 7 (green signals) and centromere 17 (blue signals) FISH evidenced a 7/17 trisomy in a papillary carcinoma (c)Back to article page