Cranial Fossa, MiddleCranial Fossa, AnteriorCranial Fossa, PosteriorArachnoid CystsCentral Nervous System CystsSella TurcicaCraniopharyngiomaSkull BaseCraniotomySubarachnoid SpaceNeuroendoscopyCerebellopontine AnglePituitary NeoplasmsSkull Base NeoplasmsArachnoidCerebral VentriculographyOtologic Surgical ProceduresCranial Nerve NeoplasmsSphenoid BoneNeurosurgical ProceduresSphenoid SinusTomography, X-Ray ComputedMagnetic Resonance ImagingTrigeminal Nerve DiseasesDura MaterTemporal BoneSkull NeoplasmsFacial Nerve DiseasesHypothalamic NeoplasmsThird VentricleEar, MiddleEar DiseasesCentral Nervous System Vascular MalformationsCavernous SinusArnold-Chiari MalformationOptic ChiasmEthmoid BoneSanitary EngineeringPituitary ApoplexyOsteomaEthmoid SinusPituitary DiseasesPinealomaVentriculostomyMastoidPetrous BoneXanthogranuloma, JuvenileMucoceleSubarachnoid HemorrhageNeurilemmomaHematoma, SubduralCerebral VeinsZygomaHemianopsiaCerebral AqueductInfratentorial NeoplasmsChondromatosis, SynovialCerebral VentriclesHematoma, Subdural, IntracranialOccipital BoneXeroradiographySubdural EffusionDiabetes InsipidusFrontal SinusPituitary Function TestsFacial ParalysisBromhexineMeningeal NeoplasmsParanasal Sinus NeoplasmsHydrocephalusHematoma, Epidural, CranialCerebral AngiographyCerebrospinal FluidAdenomaPterygopalatine FossaCerebellar NeoplasmsHypopituitarismArteriovenous FistulaGerminomaOculomotor Nerve DiseasesBrain NeoplasmsProlactinomaTrigeminal NeuralgiaOrbital DiseasesSkullEpidermal CystDysgerminomaChoristomaPneumocephalusPituitary GlandOrbital NeoplasmsGranular Cell TumorEndoscopyMeningiomaTreatment OutcomeLateral VentriclesIntracranial AneurysmCystsBrain DiseasesMiddle Cerebral Artery