A rare presentation of ventriculitis and brain abscess caused by Fusobacterium nucleatum

Anneke Kai1, Fiona Cooke1, Nagui Antoun2

  • 1Clinical Microbiology and Public Health Laboratory, Box 236, Addenbrooke's Hospital, Hills Road, Cambridge CB2 2QW, UK.

Insights

Anaerobic ventriculitis is a rare infection, often linked to other conditions. This case highlights a unique Fusobacterium nucleatum infection without typical risk factors, successfully treated with antibiotics.

Area of Science:

  • Neuroscience
  • Infectious Diseases
  • Microbiology

Background:

  • Anaerobic ventriculitis is an uncommon infection of the brain's ventricles.
  • Predisposing factors typically include otitis media, mastoiditis, sinusitis, or recent neurosurgery.
  • Fusobacterium nucleatum is an anaerobic bacterium, rarely implicated in central nervous system infections.

Observation:

  • A case of ventriculitis and brain abscess is presented.
  • The patient had no significant predisposing factors for this type of infection.
  • The causative agent was identified as Fusobacterium nucleatum.

Findings:

  • This is believed to be the first reported case of ventriculitis and brain abscess caused by Fusobacterium nucleatum in an individual without predisposing factors.
  • Successful treatment was achieved solely through antibiotic therapy.

Implications:

  • This case expands the known spectrum of Fusobacterium nucleatum infections.
  • It suggests that anaerobic ventriculitis can occur even in the absence of typical risk factors.
  • Prompt diagnosis and appropriate antibiotic treatment are crucial for favorable outcomes in rare CNS infections.

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