Paranasal SinusesParanasal Sinus DiseasesParanasal Sinus NeoplasmsSphenoid SinusSphenoid BoneSphenoid SinusitisMaxillary SinusFrontal SinusEthmoid SinusSinusitisSella TurcicaNose NeoplasmsSkull BaseNasal CavityCerebrospinal Fluid RhinorrheaMucoceleTomography, X-Ray ComputedTurbinatesMaxillary Sinus NeoplasmsNasal PolypsNasal SeptumOtorhinolaryngologic Surgical ProceduresOsteomaEthmoid BoneRhinitisRhinometry, AcousticFrontal SinusitisEpistaxisNose DiseasesExophthalmosNose Deformities, AcquiredOrbitOrbital NeoplasmsEsthesioneuroblastoma, OlfactoryEndoscopySkullEthmoid SinusitisCranial SinusesOrbital DiseasesNasal ObstructionTampons, SurgicalKartagener SyndromeCranial Fossa, MiddleMaxillary FracturesCavernous SinusSinus of ValsalvaSkull Base NeoplasmsMaxillary SinusitisPapilloma, InvertedLevocardiaNoseNasal SpraysCarotid SinusNasal MucosaWoodAnatomyMucormycosisCoronary SinusSinus Thrombosis, IntracranialSick Sinus SyndromeAspergillosisMagnetic Resonance ImagingExhalationFatal Outcome