title: [A man in his 60's with acute headache].
authors.affiliation: Nevrologisk avdeling, Haukeland universitetssykehus, Norway. ofto@helse-bergen.no
authors.forename: Øivind
authors.initials: Ø
authors.lastname: Torkildsen
authors.forename: Rafael Alexander
authors.initials: RA
authors.lastname: Leiva
authors.forename: Shashi
authors.initials: S
authors.lastname: Gulati
authors.forename: Gunnar
authors.initials: G
authors.lastname: Moen
authors.forename: Frode
authors.initials: F
authors.lastname: Svendsen
mesh_terms: D059787:Acute Pain / Q000175:diagnosis; D017541:Aneurysm, False / Q000175:diagnosis / Q000000981:diagnostic imaging; D000785:Aneurysm, Infected / Q000175:diagnosis / Q000382:microbiology; D002343:Carotid Artery, Internal / Q000000981:diagnostic imaging; D002426:Cavernous Sinus / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D003937:Diagnosis, Differential; D006261:Headache / Q000175:diagnosis*; D006801:Humans; D002532:Intracranial Aneurysm / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D015524:Sphenoid Sinusitis / Q000175:diagnosis / Q000382:microbiology; D014057:Tomography, X-Ray Computed