DR M.A. ANSARY / SCIENCE PHOTO LIBRARY DR M.A. ANSARY / SCIENCE PHOTO LIBRARY
Kaposi's sarcoma. Skin plaques due to Kaposi's sarcoma on the head and torso of a patient with AIDS. The plaques are usually found in clusters around the ears and are less dense on the trunk and neck, as seen here. AIDS (acquired immune deficiency syndrome) is a disease caused by the human immunodeficiency virus (HIV). It causes a gradual weakening of the immune system, making otherwise harmless infections life-threatening. Kaposi's sarcoma is a type of skin cancer. In AIDS it often spreads to other tissues and can be rapidly fatal. This image was taken in Africa, where lack of access to medicine and information makes AIDS a major public health concern.
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