title: An unusual headache.
authors.affiliation: Department of Diabetes and Endocrinology, Mater Hospital, Belfast BT14 6AB, UK qublbc8@hotmail.com.
authors.forename: Una M
authors.initials: UM
authors.lastname: Graham
authors.affiliation: Department of Stroke and Elderly Care Medicine, Mater Hospital, Belfast, UK.
authors.forename: Mark
authors.initials: M
authors.lastname: Magorrian
authors.affiliation: Department of Neuroradiology, Royal Victoria Hospital, Belfast, UK.
authors.forename: Paul
authors.initials: P
authors.lastname: Burns
authors.affiliation: Department of Diabetes and Endocrinology, Mater Hospital, Belfast BT14 6AB, UK.
authors.forename: John R
authors.initials: JR
authors.lastname: Lindsay
mesh_terms: D000368:Aged; D001167:Arteritis / Q000175:diagnosis*; D020215:Carotid Artery, Internal, Dissection / Q000150:complications / Q000175:diagnosis / Q000188:drug therapy; D003937:Diagnosis, Differential; D004487:Edema / Q000209:etiology*; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D020437:Hypoglossal Nerve Diseases / Q000209:etiology; D018810:Magnetic Resonance Angiography; D009437:Neuralgia / Q000175:diagnosis*; D011379:Prognosis; D013699:Temporal Arteries; D014060:Tongue Diseases / Q000209:etiology*