Focal Segmental Glomerulosclerosis Preceding Type 2 Papillary Renal Cell Carcinoma

Figure 3

P-RCC immunohistochemistry: (a) CD10, (b) AMACR, and (c) PAX-8 are routinely positive in type II papillary renal cell carcinoma. (d) CK7 displays reactivity in the majority of type 1 papillary renal cell carcinoma, but is found in 20% of type 2 tumors as well (400x magnification).

(a)

(b)

(c)

(d)