Caption |
Subcutis: the subcutis is expanded by an ill defined, unencapsulated, invasive, multilobular, densely cellular neoplasm which contains large pools of blood. The neoplasm is composed of solid areas and interconnected and tortuous blood-filed vascular spaces supported by a scant amount of fibrovascular stroma. Neoplastic cells in this portion of the neoplasm are medium-sized, histiocytoid, with indistinct cell borders and with a moderate amount of strongly acidophilic cytoplasm. The nucleus is central, round to oval, normochromatic, with a clumped chromatin. There is prominent lymphocytic infiltration at the periphery of the tumor. The tumor is infiltrated by a moderate number of hemosiderin-ladden macrophages. |
