초록
Erysipelothrix rhusiopathiae is a Gram-positive bacillus that causes infections primarily in animals. In humans, the bacteria usually cause localized or generalized cuta-neous infections. A 75-year-old man with chronic alcohol-ism presented with abdominal pain. Abdominal computed tomography and laboratory findings suggested an intra-abdominal abscess in the periaortic soft tissue. While no definitive infectious source was identified, E. rhusiopathiae was identified by 16S rRNA-based gene sequencing from culture-negative, periaortic necrotic tissue, subsequent to empiric antibiotic treatment. It is suggested that E. rhusiopathiae has the potential to cause intra-abdominal abscesses. This case report highlights the usefulness of DNA sequencing to identify pathogens in patients pretreated with antibiotics.
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Fig. 1.
Abdominal computed tomography scan showing soft tissue infiltration and ischemic lesions around the aorta (arrow).
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Table 1.
Primers used in this study for a semi-nested PCR for bacterial 16S rRNA gene