Dura MaterCraniotomyPia MaterArachnoidParietal BoneMeningeal ArteriesCranial SuturesNeurosurgical ProceduresPneumocephalusMeningesFrontal BoneSumatriptanTrigeminal NerveCerebrospinal Fluid RhinorrheaMeningiomaMeningeal NeoplasmsHematoma, SubduralLaminectomyEpidural SpaceSkullSubarachnoid SpaceSkull BaseCraniosynostosesCreutzfeldt-Jakob SyndromeHematoma, Epidural, CranialHematoma, Subdural, AcuteBrain NeoplasmsTissue TransplantationForamen MagnumTomography, X-Ray ComputedMagnetic Resonance ImagingDecompression, SurgicalSpinal CanalCalcitonin Gene-Related PeptideSubdural SpaceScalpIsoindolesTrigeminal GanglionCadaverMeningitisTrigeminal Nucleus, SpinalLongitudinal LigamentsPolytetrafluoroethyleneTrephiningPostoperative ComplicationsLigamentum FlavumHematoma, Subdural, ChronicMigraine DisordersFatal OutcomeSpinal Cord CompressionHeadacheMyelographyHead Injuries, Penetrating