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Brain abscess due to Bacillus macerans following a penetrating periorbital injury
F Bert1, O Ouahes, N Lambert-Zechovsky
1Department of Microbiology, Hôpital Beaujon, Clichy, France.
Abstract:
We report a case of a brain abscess due to Bacillus macerans and Clostridium sp. following a penetrating periorbital injury by a wooden branch. Intracranial penetration by and retention of a foreign body were not suspected initially, and neurological symptoms developed only 2.5 months later. Previously reported cases of brain abscesses due to Bacillus species are reviewed.
Insights
A rare brain abscess caused by Bacillus macerans and Clostridium species developed 2.5 months after a penetrating eye injury. This case highlights the importance of considering foreign body retention in delayed brain abscess presentations.
Area of Science:
- Neurology
- Infectious Diseases
- Ophthalmology
Background:
- Penetrating orbital injuries can lead to delayed intracranial complications.
- Brain abscesses are serious infections requiring prompt diagnosis and treatment.
- Bacillus species are uncommon causes of central nervous system infections.
Observation:
- A patient presented with neurological symptoms 2.5 months after a penetrating periorbital injury from a wooden branch.
- Initial assessment did not suspect intracranial penetration or foreign body retention.
- The patient developed a brain abscess involving Bacillus macerans and Clostridium species.
Findings:
- The brain abscess was confirmed to be polymicrobial, with Bacillus macerans and Clostridium species identified as causative agents.
- Delayed presentation of neurological symptoms is a key feature in this case.
- Review of previously reported Bacillus-associated brain abscesses provides context for this rare etiology.
Implications:
- This case underscores the need for vigilant monitoring and consideration of retained foreign bodies in patients with orbital trauma, even with delayed onset of symptoms.
- Early recognition and appropriate management of brain abscesses are crucial for favorable outcomes.
- Further research into the pathogenesis and management of rare bacterial brain abscesses is warranted.