Figure 4From: Pediatric primary splenic angiosarcoma: an aggressive multidisciplinary approach to the oncologic management of a rare malignancyThe diagnosis of primary splenic angiosarcoma was confirmed with additional stains for smooth muscle actin and CD34. (A) Low power view of strongly positive CD34 stain (100×). (B) Low power view of smooth muscle actin stain, which highlights the vascular architecture (100×).Back to article page