The tumors, consisting of purple to dark brown nodules, usually start on the feet and ankles, spread farther up the legs, and then appear on the hands and arms. In people with AIDS, tumors also commonly affect the gastrointestinal and respiratory tracts, where they may cause severe internal bleeding.
For mild cases of Kaposi's sarcoma, low-dose radiotherapy is usually effective. For more severe cases, anticancer drugs may be necessary to slow the spread of the tumors. Named for the Austrian dermatologist M. Kaposi (1837–1902).
Related category• HEALTH AND DISEASE
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