Microvascular Decompression SurgeryDecompression, SurgicalTrigeminal NeuralgiaHemifacial SpasmNerve Compression SyndromesMicrosurgeryGlossopharyngeal Nerve DiseasesSpinal StenosisTrigeminal NerveRhizotomyDecompressionLaminectomyFacial Nerve DiseasesDecompression SicknessGraves OphthalmopathyOrbitSpasmLumbar VertebraeGlossopharyngeal NerveCerebellopontine AngleTreatment OutcomeNeurosurgical ProceduresMicrocirculationPostoperative ComplicationsMagnetic Resonance ImagingRetrospective StudiesProspective StudiesRecurrence