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|Liver abscess on axial CT image: a hypodense lesion in the liver with peripherally enhancement.|
Major bacterial causes of liver abscess include the following:
- Streptococcus species (including Enterococcus)
- Escherichia species
- Staphylococcus species
- Klebsiella species (Higher rates in the Far East)
- Anaerobes (including Bacteroides species)
- Pseudomonas species
- Proteus species
- Entamoeba Histolytica
However, as noted above, many cases are polymicrobial.
There are several major forms of liver abscess, classified by cause:
- Pyogenic liver abscess, which is most often polymicrobial, accounts for 80% of hepatic abscess cases in the United States.
- Amoebic liver abscess due to Entamoeba histolytica accounts for 10% of cases. The incidence is much higher in developing countries.
- Fungal abscess, most often due to Candida species, accounts for less than 10% of cases.
- Iatrogenic abscess, caused by medical interventions
- "Liver Abscess Definition in Medical Conditions Dictionary". medconditions.net. 11 April 2018. Retrieved 11 April 2018.
- MedlinePlus Encyclopedia Pyogenic liver abscess
- Webb, Gwilym James; Chapman, Thomas Patrick; Cadman, Philip John; Gorard, David Angelo (2014). "Pyogenic liver abscess". Frontline Gastroenterology. 5 (1): 60–67. doi:10.1136/flgastro-2013-100371. PMC 5369710. PMID 28839753.
- Liver Abscess CT Images CTCases Liver Abscess CT Scan.