Cerebrospinal Fluid RhinorrheaSubdural EffusionCerebrospinal Fluid OtorrheaIntracranial HypotensionDura MaterSkull BaseCranial Fossa, MiddleCraniotomyCerebrospinal FluidPneumocephalusPleurisyPolyvinyl ChlorideExudates and TransudatesFibrin Tissue AdhesiveCerebrospinal Fluid ProteinsPostoperative ComplicationsCerebrospinal Fluid PressureMeningitisCerebrospinal Fluid ShuntsDental LeakageSpinal Puncture