Fig. 3 | Journal of Medical Case Reports

Fig. 3

From: Retiform hemangioendothelioma: a case series and review of the literature

Fig. 3

Angiosarcoma: a A cellular spindle cell tumor arranged in fascicles with vascular channels at periphery. b These cells show moderate cytologic atypia. Kaposi sarcoma: c Low power shows dermal proliferation of vessels and spindle cells. d Endothelial cells show mild atypia, cytoplasmic vacuoles and extravasated red blood cells. These cells are positive for ERG immunostain (inset). Papillary intralymphatic angioendothelioma (Dabska tumor): e Lesion composed of variable sized intraluminal proliferation of papillary tufts. f These tufts have hyaline cores. The lining cells have uniform round nuclei

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