“…They present with rather nonspecific features of anorexia, weight loss, abdominal pain, pyrexia and enlargement of liver or spleen (Cunningham et al 1982). Pyrexia of unknown origin (Simon & Wolff 1973, Israel & Goldstein 1973 and abdominal pain (Shee & Creamer 1980) have been emphasized as frequent clinical associations. Many of the patients had remained ill for several years (Simon & Wolff 1973, Cunningham et al 1982.…”