APA Dictionary of Psychology

Kaposi sarcoma (KS)

Updated on 03/06/2026
a cancer caused by Kaposi sarcoma–associated herpes virus (KSHV), also known as human herpes virus-8 (HHV-8), that generally presents as purple, red, or brown lesions, usually on the skin but also in the mouth and lungs. It is strongly facilitated by immune dysregulation or immunosuppression. The most prevalent type is HIV‑associated Kaposi sarcoma; its incidence has declined in settings with widespread access to effective antiretroviral therapy (ART) but remains significant where ART coverage is limited. [identified by and named after Moritz Kaposi (1837-1902), Austrian dermatologist]
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