• A bacterial, parasitic, or fungal abscess that develops in the liver. It is usually the result of an abdominal infection, trauma, or surgery in the right upper quadrant. Signs and symptoms include abdominal pain, nausea, vomiting, and fever.
  NCI
  U.S. National Cancer Institute, 2021
• An abscess within the liver.
  NICHD Pediatric Terminology
  U.S. National Cancer Institute, 2021
• Solitary or multiple collections of pus within the liver; usually associated with systemic manifestations of toxemia and clinical signs of disease in the right upper quadrant of the abdomen.
  CRISP Thesaurus
  National Institutes of Health, 2006
• A circumscribed area of pus or necrotic debris in the liver.
  Human Phenotype Ontology (HPO)
  The Human Phenotype Ontology Project, 2025
• Bacterial abscess of the liver is relatively rare; however, it has been described since the time of Hippocrates (400 BC), with the first published review by Bright appearing in 1936. In 1938, Ochsner's classic review heralded surgical drainage as the definitive therapy; however, despite the more aggressive approach to treatment, the...
  Medscape
  WebMD, 2025
• Liver abscesses are purulent collections in the liver parenchyma that result from bacterial, fungal, or parasitic infection. Infection can spread to the liver through the biliary tree, hepatic vein, or portal vein, by extension of an adjacent infection, or as a result of trauma. One or multiple abscesses can be present. Fungal liver...
  Epocrates
  Athenahealth, Inc., 2019