Liver abscess and empyema due to Lactococcus lactis cremoris

Hye Sook Kim, Dae Won Park, Young Kyoung Youn, Yu Mi Jo, Jeong Yeon Kim, Joon Young Song, Jang Wook Sohn, Hee Jin Cheong, Woo Joo Kim, Min Ja Kim, Won Suk Choi

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


Lactococcus lactis cremoris infections are very rare in humans. We experienced liver abscess and empyema due to L. lactis cremoris in an immunocompetent adult. A 42-yr-old man was admitted with fever and abdominal pain. Abdominal computed tomography (CT) revealed a liver abscess and chest CT showed loculated pleural effusion consistent with empyema. L. lactis cremoris was isolated from culture of the abscess material and blood. The patient was treated with pus drainage from liver abscess, video-assisted thoracoscopic decortications for empyema, and antibiotics including cefotaxime and levofloxacin. The patient was completely recovered with the treatment. To our knowledge, this is the first report of a L. lactis cremoris infection in Korea.

Original languageEnglish
Pages (from-to)1669-1671
Number of pages3
JournalJournal of Korean medical science
Issue number11
Publication statusPublished - 2010 Nov


  • Empyema
  • Lactococcus lactis
  • Liver abscess

ASJC Scopus subject areas

  • General Medicine


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