1) Liver abscesses can be either pyogenic (caused by bacteria) or amebic (caused by Entamoeba histolytica parasites). Pyogenic abscesses are more common in the right lobe of the liver, while amebic abscesses can occur in any lobe. 2) Amebic abscesses result from ingesting contaminated food or water containing E. histolytica cysts which survive the stomach and excyst in the intestines. The parasites can invade the colonic epithelium and spread to the liver and other organs. 3) Pyogenic abscesses are typically treated with antibiotics while amebic abscesses respond well to metronidazole or iodoquin