Brain abscess caused by Paenibacillus lactis

Ivo Inkov Kehayov1, Polina Miroslavova Angelova1, Borislav Dimitrov Kitov2

  • 1Department of Neurosurgery, Faculty of Medicine, Medical University of Plovdiv, Plovdiv, Bulgaria.

Insights

This case report details a rare brain abscess caused by Paenibacillus lactis in a 30-year-old male. The patient recovered fully after surgical intervention and antimicrobial treatment for the abscess and subsequent meningitis.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Microbiology

Background:

  • Petrous apicitis can present with complex neurological symptoms.
  • Brain abscesses are serious intracranial infections requiring prompt diagnosis and management.

Observation:

  • A 30-year-old male presented with headache, facial pain, and otalgia, initially diagnosed with petrous apicitis.
  • Magnetic resonance imaging revealed an inflammatory process, followed by computed tomography showing a temporal lobe brain abscess.
  • The patient experienced generalized seizures and later developed meningitis post-abscess evacuation.

Findings:

  • Paenibacillus lactis was identified as the causative agent of the brain abscess.
  • Surgical evacuation and resection of the abscess were performed.
  • Prolonged intravenous antimicrobial therapy successfully treated the meningitis.

Implications:

  • This is the first reported case of a brain abscess caused by Paenibacillus lactis.
  • Highlights the importance of considering rare pathogens in brain abscess etiology.
  • Emphasizes the need for comprehensive management of associated complications like meningitis.

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