Northwest Community Healthcare Browse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 Kaposi sarcoma - perianalBackKaposi sarcoma - perianalKaposi sarcoma usually occurs in male homosexuals with AIDS. These lesions can appear anywhere on the body as purple, elevated growths. This sarcoma is located near the anus (perianal). A.D.A.M. content is best viewed in IE9 or above, Firefox and Google Chrome browser.Content is best viewed in IE9 or above, Firefox and Google Chrome browser.