Pyogenic liver abscess

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Pyogenic liver abscess
A large pyogenic liver abscess presumed to be the result of appendicitis
Classification and external resources
Specialty gastroenterology
ICD-10 K75.0
ICD-9-CM 572.0
MedlinePlus 000261
eMedicine article/193182
MeSH D046290
[edit on Wikidata]

A pyogenic liver abscess is a type of liver abscess caused by bacteria.

Signs and symptoms

Acute abscess

Chronic abscess

  • Fever
  • Abdominal discomfort
  • Enlarged liver


  • Biliary disease (most common)

E.g.: stones, cholangiocarcinoma

  • Colonic disease

E.g.: diverticulitis, appendicitis, Crohn's disease

E.g.: penetrating injury, iatrogenic (radiofrequency ablation)

Common bacterial causes



  1. Antibiotics
  2. Percutaneous drainage under USG or CT control
  3. Laparotomy in intraabdominal disease


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