CraniotomyHeadacheHeadache DisordersTension-Type HeadacheCluster HeadacheVascular HeadachesMigraine DisordersHeadache Disorders, SecondaryNeurosurgical ProceduresPneumocephalusFrontal BoneHematoma, Subdural, AcuteDura MaterTrephiningHematoma, SubduralIntracranial AneurysmBrain NeoplasmsMeningeal NeoplasmsHead Injuries, PenetratingDelayed Emergence from AnesthesiaArachnoid CystsTomography, X-Ray ComputedFrontal SinusMeningiomaSurgical Fixation DevicesSupratentorial NeoplasmsMagnetic Resonance ImagingHematoma, Subdural, ChronicSubdural SpaceMicrosurgeryHematoma, Epidural, CranialGlasgow Coma ScaleCerebrospinal Fluid RhinorrheaFourth VentricleMigraine without AuraNeurosurgeryTemporal BoneBrain AbscessCranial Fossa, AnteriorStereotaxic TechniquesSubarachnoid HemorrhageCerebellar DiseasesCerebral AngiographyTrigeminal NerveSurgical InstrumentsPostoperative ComplicationsVentriculostomyHematoceleCerebral VeinsBrain InjuriesSkull BaseAneurysm, RupturedCranial Nerve NeoplasmsSurgical FlapsIntracranial HemorrhagesBrain DiseasesSkull FracturesSkull Base NeoplasmsTreatment OutcomeSpinal PunctureConsciousness MonitorsOrbitDecompression, SurgicalCraniopharyngiomaSella TurcicaMigraine with AuraAnterior Cerebral ArteryConscious SedationCranial Fossa, MiddleCranial SinusesTemporal ArteriesNeuroendoscopyCerebral HemorrhageBlood Patch, EpiduralSkullCraniocerebral TraumaIntracranial Hemorrhage, HypertensiveRetrospective StudiesEmpyema, SubduralArachnoidTuberculoma, IntracranialNeurologyIntracranial PressureMonitoring, IntraoperativeNeurilemmoma