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Pyogenic liver abscess caused by Streptococcus milleri. Case reports

H F Allison, E J Immelman, A A Forder

    South African Medical Journal = Suid-Afrikaanse Tydskrif Vir Geneeskunde
    |March 17, 1984
    PubMed

    Insights

    Streptococcus milleri is increasingly recognized as a cause of pyogenic liver abscess. Early identification from blood cultures is crucial for prompt diagnosis and treatment of this serious infection.

    Area of Science:

    • Microbiology
    • Infectious Diseases
    • Hepatology

    Background:

    • Pyogenic liver abscesses are serious infections.
    • Streptococcus milleri is an emerging pathogen in liver abscesses.
    • Diagnostic methods for anaerobic bacteria are becoming more common.

    Observation:

    • Streptococcus milleri is increasingly isolated from patients with pyogenic liver abscess.
    • The organism is often isolated from blood cultures in patients with fever.
    • Clinicians should consider liver abscess when Streptococcus milleri is detected.

    Findings:

    • Streptococcus milleri is a significant cause of pyogenic liver abscess.
    • This organism is not an obligate anaerobe and is resistant to metronidazole.
    • Two cases of primary pyogenic liver abscess caused by Streptococcus milleri are presented.

    Implications:

    • Routine anaerobic culture may increase the detection of Streptococcus milleri as a cause of liver abscess.
    • Awareness of Streptococcus milleri's role is important for diagnosis and treatment.
    • Metronidazole should not be relied upon for treating infections caused by this organism.

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