NATIONAL INSTITUTE OF ALLERGIES & INFECTIOUS DISEASES / SCIENCE PHOTO LIBRARY NATIONAL INSTITUTE OF ALLERGIES & INFECTIOUS DISEASES / SCIENCE PHOTO LIBRARY
Photograph of the hand of an AIDS (Acquired Immune Deficiency Syndrome) patient, showing the typical appearance of Kaposi's sarcoma affecting the palm. Kaposi's sarcoma is a vascular tumour that usually presents as purple skin lesions but also affects the gut and lungs. Prior to the appearance of AIDS, cases of Kaposi's sarcoma were largely confined to elderly persons of Mediterranean & Jewish stock. However, the frequency of Kaposi's sarcoma in persons presenting with AIDS is second only to pneumonia, although the cancer appears largely confined to the homosexual risk group.
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