The hidden threat: subdural empyema strikes a healthy teen.

Background: The incidence estimates for intracranial subdural empyema are 0.1 per 100,000 individuals, making it a rare clinical condition. It is a highly morbid and fatal illness that is most commonly the result of a primary infection somewhere else. Case presentation: The authors present a young male patient 15 years presented with 1 week history of headache, fever, confusion and seizure attack with initial negative CT head and nearly negative CSF analysis. With few days he developed left sided weakness. MRI brain showed right temporoparietal subdural fluid collection with midline shift. Urgent neurosurgical evacuation was made and revealed subdural empyema. The boy received combination therapy of vancomycin, ceftriaxone, and metronidazole. The culture of the pus was negative but 16S rRNA gene sequencing (bacterial) revealed streptococcus intermedius. He made a good recovery with no recollection or neurological deficit on follow up. Conclusion: This case highlights the possibility of occurrence of this rare infection in otherwise healthy individuals without obvious precipitating factor. It also indicates the superiority of MRI brain over CT head in detection of subdural collection. The rapid diagnosis and intervention improve the outcome of the patient. [ABSTRACT FROM AUTHOR]

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