Subdural Abscess (Subdural Empyema)

Subdural empyema (subdural abscess) is a collection of pus in the subdural space, usually from sinusitis/mastoiditis/otitis, skull trauma, or surgery. Clinical: fever, severe headache, neck stiffness, focal neurologic deficits, seizures, and rapid deterioration. It is a neurosurgical emergency. Diagnosis: CT/MRI. Treatment: urgent neurosurgical drainage/craniotomy plus IV antibiotics, and manage raised ICP/seizures.

Common Symptoms

Fever; severe headache; neck stiffness; focal deficits; seizures; rapid deterioration; history of sinusitis/otitis/trauma

Causes and Pathogenesis

Infection spreads to the subdural space, forming a pus collection that can spread over the hemisphere and cause mass effect/venous thrombosis.

Treatment

Urgent neurosurgical drainage/craniotomy; IV antibiotics; manage raised ICP/seizures; treat source

Preventive Measures

Treat sinusitis/otitis promptly; sterile trauma management.

Department to Visit

It is recommended to visit the Neurosurgery department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.