- Etiology: caused by hematogenous spread from gastrointestinal tract / ascending cholangitis / superinfection of necrotic disease, commonly due to Escherichia coli and Klebsiella pneumoniae
- Imaging: single or multiple in number, may involve one portion of liver or may be diffuse, vary in size from few mm several cm, may have rim enhancement, may contain septations or gas, cluster sign – small pyogenic abscesses coalesce into larger cavity
- Clinical: presentation is fever, right-sided abdominal pain or weight loss, elevated liver function tests
Radiology Cases of Pyogenic Liver Abscess
