title: [Headache and drooping eyelid].
authors.affiliation: Nevrologisk avdeling, Nordlandssykehuset, Norway. karl.bjornar.alstadhaug@nordlandssykehuset.no
authors.forename: Karl Bjørnar
authors.initials: KB
authors.lastname: Alstadhaug
authors.forename: Roar
authors.initials: R
authors.lastname: Kloster
mesh_terms: D000368:Aged; D001763:Blepharoptosis / Q000150:complications / Q000175:diagnosis; D001932:Brain Neoplasms / Q000150:complications / Q000175:diagnosis; D002426:Cavernous Sinus / Q000473:pathology; D003937:Diagnosis, Differential; D006261:Headache / Q000150:complications / Q000175:diagnosis; D006732:Horner Syndrome / Q000150:complications / Q000175:diagnosis; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male