Fig. 9From: Primary sclerosing epithelioid fibrosarcoma of kidney with variant histomorphologic features: report of 2 cases and review of the literatureCase #2. Proliferating native renal tubules inside the tumor giving an appearance of a biphasic lesion (H&E x 100). Inset shows that hyperplastic tubules maintain nuclear pax-8 (H&E x 40)Back to article page