Perianal hidradenitis suppurativa.
D000038:Abscess / Q000209:etiology; D001004:Anus Diseases / Q000601:surgery; D001424:Bacterial Infections / Q000150:complications / Q000175:diagnosis / Q000601:surgery; D002908:Chronic Disease; D003125:Colostomy; D006801:Humans; D012871:Skin Diseases / Q000601:surgery; D016038:Skin Transplantation; D013492:Suppuration