What is the prevalence of Kaposi sarcoma (KS) in the US?

Updated: Mar 26, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Dirk M Elston, MD  more...
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The incidence of Kaposi sarcoma (KS) has been estimated at 0.02-0.06%. Traditional Kaposi sarcoma of middle-aged and older American men of Mediterranean and Eastern European (Ashkenazi) Jewish lineage represents approximately 0.2% of cancer cases in the United States. Iatrogenic Kaposi sarcoma has a 400% increased incidence compared to the American population at large. The incidence of Kaposi sarcoma among American renal transplant recipients is approximately 0.4%. In the AIDS grouping, Kaposi sarcoma originally accounted for as many as 35% of patients, an incidence that has been declining with early detection of AIDS, although Kaposi sarcoma prevalence may remain high. In the United States, a few emigrants arrive from Kaposi sarcoma–endemic regions (primarily Africa). The largest immigrant population in this category may be Haitians; however, recent evidence suggests that Haitian AIDS originated directly in New York rather than Africa.

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