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  Indian J Med Microbiol
 

Figure 2: Histological examination of hematoxylin and eosin (H and E) stained slides revealed densely packed spindle to ovoid, unremarkable endothelial cells (arrows) with newly formed slits that contain red blood cells. (a) H and E stain, ×40. (b) H and E stain, ×200. (c) Immunohistochemistry study showed a positive staining of the neoplastic cells by the endothelial cell marker CD31 (arrows)

Figure 2: Histological examination of hematoxylin and eosin (H and E) stained slides revealed densely packed spindle to ovoid, unremarkable endothelial cells (arrows) with newly formed slits that contain red blood cells. (a) H and E stain, ×40. (b) H and E stain, ×200. (c) Immunohistochemistry study showed a positive staining of the neoplastic cells by the endothelial cell marker CD31 (arrows)