Angiosarcoma (AS), otherwise known as hemangiosarcoma, lymphangiosarcoma, or malignant hemangioendothelioma, is a malignant tumor derived from endothelium that occurs in a variety of anatomic sites including the skin (1–3). Sixty percent of cases arise within the skin or superficial soft tissues. Although these tumors derive from the vascular endothelium, the exact vascular origin is unknown and likely derives from both the blood vessels and lymphatics.
KeywordsHerpes Zoster Vascular Channel Uncommon Tumor Semin Diagn Pathol Tumor Mitotic Rate
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