General Information Skin cancer named after Dr. Kaposi Used to be extremely rare occurring in older people of Russian-Jewish, Italian and African extraction and this older form of Kaposi's Sarcoma (KS) still exists Lately there has been a significant increase of a more virulent form associated with AIDS The new form is associated with a generalized abnormality in the immune systems, making them subject to unusual viral and protazoan infections The new form is caused by Herpes virus 8 infection Men are affected over twice as much as women These tumors have rich networks of small blood vessels The classic KS usually occurs in the elderly, usually over 70 years old