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Case highlights aggressive brain infection by rare pathogens in an immunocompetent adult, suggesting microbiological diagnosis is crucial.
This case highlights that rare commensal organisms can cause aggressive intracranial infection even in immunocompetent individuals. Accurate microbiological diagnosis is essential when evaluating sinus-derived abscesses, as atypical pathogens may influence treatment decisions and risk of recurrence. Multiloculated abscesses may require complete excision when aspiration and antibiotic therapy are insufficient for durable infection control. https://thejns.org/doi/10.3171/CASE25950.
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Aydın et al. (2026) studied this question.
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