title: An intracranial complication of frontal sinusitis--case report.
mesh_terms: D013354:Empyema, Subdural / Q000209:etiology*; D005626:Frontal Sinus; D006801:Humans; D008297:Male; D008583:Meningitis, Haemophilus / Q000209:etiology*; D008875:Middle Aged; D012852:Sinusitis / Q000150:complications*