SclerotherapyVaricose VeinsSclerosing SolutionsEsophageal and Gastric VaricesVeinsSodium Tetradecyl SulfateGastrointestinal HemorrhageSaphenous VeinVascular MalformationsPortal VeinStockings, CompressionEsophagoscopyFemoral VeinEnbucrilateVenous InsufficiencyHypertension, PortalSplenorenal Shunt, SurgicalVaricocelePortasystemic Shunt, SurgicalHemostasis, EndoscopicLigationPulmonary VeinsVaricose UlcerJugular VeinsRecurrenceKidney Diseases, CysticTissue AdhesivesArteriovenous MalformationsUltrasonography, Doppler, DuplexUltrasonography, InterventionalTreatment OutcomeBone Cysts, AneurysmalTesticular HydrocelePhlebographyHemorrhoidsSodium MorrhuateEndoscopyInjections, IntralesionalLiver CirrhosisPolyethylene GlycolsMesenteric VeinsCystsRenal VeinsUmbilical VeinsIliac VeinEndoscopy, GastrointestinalProspective StudiesPicibanilHepatic VeinsHyperpigmentationPopliteal VeinCyanoacrylatesSpermatoceleEthanolRanulaRectal ProlapseVascular Surgical ProceduresLymphatic AbnormalitiesNadololSpermatic CordTelangiectasisEsophageal DiseasesVenous PressureTime Factors