title: 36-year-old man with sudden severe headache.
authors.affiliation: Department of Diagnostic Imaging, University Hospital of Liège, CHU Domain du Sart Tilman, Bat 35, 4000 Liège, Belgium. Paolo.Simoni@chu.ulg.ac.be
authors.forename: Paolo
authors.initials: P
authors.lastname: Simoni
authors.forename: Benoît
authors.initials: B
authors.lastname: Meunier
authors.forename: Manuel
authors.initials: M
authors.lastname: Deprez
authors.forename: Tudor
authors.initials: T
authors.lastname: Racaru
authors.forename: Didier
authors.initials: D
authors.lastname: Martin
mesh_terms: D000328:Adult; D016080:Arachnoid Cysts / Q000150:complications* / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D004632:Emergency Medical Services; D004814:Epidermal Cyst / Q000150:complications* / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D006261:Headache / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D014057:Tomography, X-Ray Computed