Sarcoma, Kaposi (medical condition)

A form of cancer caused by a type of herpesvirus that occurs mainly in the skin but may also affect the lymph nodes, internal organs and mucosal areas. There are four forms of the condition: Classical Indolent form, Endemic African KS, iatrogenic KS and acquired immunodeficiency syndrome-associated KS. Symptoms depend on the extent of internal organ and lymphatic system involvement. See also Kaposi sarcoma