Subdural Empyema Secondary to Severe Paranasal Sinusitis.

A 59-year-old female presented to the emergency department with an acute onset of unilateral facial droop and aphasia. Collateral information obtained from her family revealed a diagnosis of prolonged subacute bacterial sinusitis with initiation of multiple antimicrobial regimens. The patient underwent a non-contrast computed tomography of the brain, which demonstrated a 1.