Journal List > Korean J Gastroenterol > v.57(1) > 1006832

Kim, Yoon, Park, Kim, Lee, Kim, Na, and Kim: A Case of Liver Abscess Caused by Fusobacterium nucleatum in a Patient with Recurrent Periodontal Diseases

Abstract

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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Fig. 1.
Abdominal CT scan showed a 8.2×6 cm mass with central low density in the right hepatic lobe.
kjg-57-42f1.tif
Fig. 2.
Microscopic findings showed Fusobacterium nucleatum, long and slender gram negative bacilli (Gram stain, ×1,000).
kjg-57-42f2.tif
Fig. 3.
Follow-up abdominal CT scan showed a decreased size of liver abscess (2.8×2.5 cm) in the segment 7 and 8 of the right lobe 2 weeks later after discharge.
kjg-57-42f3.tif
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