Extradural empyema complicating frontal sinusitis.
D000328:Adult; D001442:Bacteroides Infections / Q000209:etiology; D001441:Bacteroides fragilis; D001922:Brain Abscess / Q000209:etiology*; D004824:Epidural Space; D005626:Frontal Sinus; D006801:Humans; D008297:Male; D012852:Sinusitis / Q000150:complications*