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An unusual zoonosis: liver abscess secondary to asymptomatic colonic foreign body
Justin S Gundara1, Richard Harrison
1Department of Surgery, Wagga Wagga Base Hospital, University of New South Wales, NSW, Australia. jgundara@gmp.usyd.edu.au
Abstract:
A liver abscess may arise following any insult to gut integrity allowing portal drainage of bacteria to hepatocytes. Foreign bodies such as bones, toothpicks and items of stationery have previously been implicated in compromising gut epithelium. Here we present the case of a 57 year old man suffering from a left liver abscess. This was defined on CT which incidentally also identified a chicken bone protruding through the wall of the distal sigmoid colon. Whilst unwell with upper abdominal pain and sepsis, the presumed source of portal sepsis within the colon remained asymptomatic throughout. Following percutaneous drainage, the liver abscess resolved but the chicken bone had not passed at two months, necessitating atraumatic removal at colonoscopy. A high rate of incidental diagnoses suggests that unidentified foreign bodies may be vastly under recognised in cases of hepatic sepsis. Thus, identification of the precise mechanism of the liver insult demands thorough consideration; foreign body should be considered in all cases.
Insights
A chicken bone caused a liver abscess in a 57-year-old man. This case highlights the need to consider foreign bodies as a cause of hepatic sepsis, even when the intestinal source is asymptomatic.
Area of Science:
- Gastroenterology
- Hepatology
- Infectious Disease
Background:
- Liver abscesses can result from bacterial translocation from the gut to the liver via the portal vein.
- Foreign bodies penetrating the gastrointestinal tract are known, albeit uncommon, causes of such insults.
Observation:
- A 57-year-old male presented with a left liver abscess, identified via CT scan.
- The CT incidentally revealed a chicken bone perforating the sigmoid colon wall.
- The patient experienced sepsis and abdominal pain, but the colonic perforation remained asymptomatic.
Findings:
- Percutaneous drainage resolved the liver abscess.
- The chicken bone persisted for two months before endoscopic removal.
- This case suggests foreign bodies are underdiagnosed causes of hepatic abscess.
Implications:
- Thorough investigation for foreign bodies is crucial in unexplained hepatic sepsis.
- Considering foreign body ingestion may improve diagnosis and management of liver abscesses.
- Early identification of gastrointestinal foreign bodies can prevent serious complications like liver abscesses.
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