Dura MaterCerebral HemorrhageSkullSkull BaseSubarachnoid HemorrhageCerebral InfarctionHemorrhageParietal BonePia MaterCerebral ArteriesCranial SuturesCerebral Amyloid AngiopathyArachnoidCerebrovascular DisordersIntracranial HemorrhagesIntracranial Hemorrhage, HypertensiveMeningeal ArteriesSkull NeoplasmsCapillary FragilityTomography, X-Ray ComputedSkull Base NeoplasmsCraniotomyBrainMeningesCerebral AngiographyCerebral Amyloid Angiopathy, FamilialCerebrovascular CirculationMiddle Cerebral ArterySkull FracturesSumatriptanAmyloidosisBrain IschemiaIntracranial Embolism and ThrombosisLaminectomySubarachnoid SpaceMagnetic Resonance ImagingCraniosynostosesTrigeminal NerveFatal OutcomeStrokeCerebrospinal Fluid RhinorrheaIntracranial AneurysmEpidural SpaceHematomaRetinal HemorrhageHematoma, SubduralHemangioma, Cavernous, Central Nervous SystemCerebral Hemorrhage, TraumaticMeningiomaNeurosurgical ProceduresJapanTissue Plasminogen ActivatorMeningeal NeoplasmsCerebral PalsyIntracranial Arteriovenous MalformationsTime FactorsCreutzfeldt-Jakob SyndromeAphasia, WernickeForamen MagnumScalpCystatinsPostpartum HemorrhageTreatment OutcomeRupture, SpontaneousPneumocephalusIschemic Attack, TransientBrain EdemaTissue TransplantationGastrointestinal HemorrhageFrontal BoneStreptococcus anginosusSpinal CanalCalcitonin Gene-Related PeptideHypertensionMeningitisCadaverCerebral VeinsFibrinolytic AgentsPostoperative ComplicationsIsoindolesVitreous HemorrhageEye HemorrhageNeurologic ExaminationHematoma, Epidural, CranialTrigeminal GanglionAcute DiseaseAutonomic DysreflexiaInfarction, Middle Cerebral ArteryRisk FactorsMoyamoya DiseaseVasospasm, IntracranialTrigeminal Nucleus, SpinalOccipital BoneLongitudinal LigamentsPolytetrafluoroethyleneLigamentum FlavumMigraine DisordersMalaria, CerebralSpinal Cord CompressionAmyloid beta-Peptides