Fig. 3
From: Clear cell sarcoma of the kidney in a 62-year-old patient presenting with generalized pruritus
a. Microscopic examination showing necrosis in the tumor (black arrow, H&E 100×). b. Microscopic examination showing micro-tumor thrombi in small vessels of the tumor (black arrow, H&E 100×). c. Microscopic examination showing a tumor thrombus in the renal vein (H&E 100×). d. Silver stain clearly demonstrated reticular fibers often outlining individual tumor cells (400×)