Hematogenous seeding of the space is more likely to result in spinal subdural empyema. This location for a subdural empyema is less common. Staphylococcus aureus is often implicated in infections in this location. Patients may present with fever, headache, and altered mental status (or some combination of these symptoms). Focal neurological signs and seizures may also be present. Magnetic resonance imaging with contrast is the diagnostic test of choice.
Treatment is with a combination of surgical decompression and antibiotic therapy.
G06.2 – Extradural and subdural abscess, unspecified
37660004 – Subdural abscess