Picture of Kaposi's Sarcoma Ecchymotic

Kaposi's Sarcoma Ecchymotic. Kaposi's Sarcoma Ecchymotic is a type of Kaposi's sarcoma in which blood vessels from the KS tumors leak blood into the surrounding areas. The tumors from KS have tiny blood vessels which grow beneath the skin and often can be mistaken as bruises or other wounds.