“…5,8 Others have observed that AVLs histologically display dilated vascular spaces within the papillary dermis with plump endothelial cells, differentiated from angiosarcoma by lack of destruction of adnexa, localized growth, and little penetration into reticular dermis or subcutaneous tissue. 5,8,11,12,14,18,20,21 Although angiosarcomas usually lack chronic inflammation, circumscription, and stromal projections into the lumen, these features are commonly seen in AVLs. 5,8 Dissection of dermal collagen can be present in both entities.…”