HIV and AIDS have not been covered by
Dermatologic Clinics since 1991 and 1998. In 1991, the topic was AIDS: A Ten-Year Perspective, and in 1998, the topic was Sexually Transmitted Diseases. Some patients
infected with HIV may develop skin conditions, fungal, viral, and other bacterial infections as well as cancer. The most common life-threatening infection is a severe and unusual lung infection caused by a common parasite,
pneumocystis carinii. This parasite does not cause infections in healthy people. AIDS patients can also develop an unusual cancer known as Kaposi's sarcoma. This cancer begins as one or more painless, flat blotches and bumps that are pink to purple in color, and are found