MicrosurgeryProctoscopyMicroscopy, ElectronTime FactorsLaser TherapyAdenoma, VillousSpisulaLasers, GasNatural Orifice Endoscopic SurgeryAnal CanalAndrologyNeurosurgeryClassificationVasovasostomyNeurosurgical ProceduresRectal NeoplasmsOrgan Sparing TreatmentsSurgery, Computer-AssistedRadiosurgeryAmputation, TraumaticLaryngeal NeoplasmsPituitary IrradiationLasersSurgical InstrumentsLaryngoscopyNeuroma, AcousticReplantationFallopian Tube DiseasesReconstructive Surgical ProceduresParticle AcceleratorsNeurilemmomaSurgical FlapsTreatment OutcomeMeningiomaEquipment DesignAdenomaSpinal Cord NeoplasmsRetrospective Studies