Liver abscess
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| Liver abscess | |
|---|---|
Liver abscess on axial CT image: a hypodense lesion in the liver with peripherally enhancement.
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| Classification and external resources | |
| Specialty | Lua error in Module:Wikidata at line 446: attempt to index field 'wikibase' (a nil value). |
| ICD-10 | K75.0 |
| ICD-9-CM | 572.0 |
| DiseasesDB | 22094 |
| MedlinePlus | 000261 |
| eMedicine | med/1316 |
| Patient UK | Liver abscess |
| MeSH | D008100 |
A liver abscess is a pus-filled mass inside the liver.[1] Common causes are abdominal infections such as appendicitis or diverticulitis due to haematogenous spread through the portal vein.[2]
Contents
Types
There are three major forms of liver abscess, classified by etiology:
- 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.
- Fungal abscess, most often due to Candida species, accounts for less than 10% of cases.
Causes
Major bacterial causes of liver abscess include the following:[3]
- Streptococcus species (including Enterococcus)
- Escherichia species
- Staphylococcus species
- Klebsiella species (Higher rates in the Far East)
- Anaerobes (including Bacteroides species)
- Pseudomonas species
- Proteus species
However, as noted above, many cases are polymicrobial.
References
External links
- Liver Abscess CT Images CTCases Liver Abscess CT Scan.
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