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Korean J Gastroenterol. 2011 Jan;57(1):42-6.

[A case of liver abscess caused by Fusobacterium nucleatum in a patient with recurrent periodontal diseases].

[Article in Korean]

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Department of Internal Medicine, Eulji University College of Medicine, Eulji University Hospital, Daejeon, Korea.


Fusobacteria are anaerobic gram-negative, non-spore forming bacilli found in normal flora of the oral cavity, urogenital tract, and gastrointestinal tract. Fusobacterium nucleatum has been seldom reported as a cause of liver abscess, particularly in immunocompetent hosts. A 55-year-old man with frequent periodontal disease visited our hospital with intermittent fever and headache for 2 months. Abdominal CT scan revealed an 8.2 × 6 cm mass in the right hepatic lobe with central low density. Abscess culture revealed F. nucleatum as the causative organism. Percutaneous abscess drainage and intravenous administration of antibiotics for 4 weeks improved symptoms and decreased the abscess size. We report a rare case of liver abscess due to F. nucleatum in an immunocompetent man with periodontal disease.

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