Kaposi's sarcoma on the thigh

Kaposi sarcoma, seen here on the thigh, was once a rare malignancy of the blood vessels, but is now associated with AIDS. It is more frequently associated with AIDS in homosexual men than AIDS in IV drug users. The malignancy results in purplish to reddish-purple grape-like lesions in the skin, gastrointestinal tract, and other organs.

Review Date: 11/10/2024
Reviewed By: Jatin M. Vyas, MD, PhD, Roy and Diana Vagelos Professor in Medicine, Columbia University Vagelos College of Physicians and Surgeons, Division of Infectious Diseases, Department of Medicine, New York, NY. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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