SclerotherapySpidersSclerosing SolutionsSpider VenomsEsophageal and Gastric VaricesSpider BitesVaricose VeinsVeinsSodium Tetradecyl SulfateGastrointestinal HemorrhageSaphenous VeinVascular MalformationsBlack Widow SpiderPortal VeinSilkStockings, CompressionEsophagoscopyFemoral VeinEnbucrilateVenous InsufficiencyHypertension, PortalSplenorenal Shunt, SurgicalVaricocelePortasystemic Shunt, SurgicalHemostasis, EndoscopicLigationPulmonary VeinsVaricose UlcerJugular VeinsRecurrenceKidney Diseases, CysticTissue AdhesivesArteriovenous MalformationsFibroinsUltrasonography, Doppler, DuplexUltrasonography, InterventionalPredatory BehaviorBrown Recluse SpiderTreatment OutcomeAtelinaeBone Cysts, AneurysmalTesticular HydroceleArthropod VenomsPhlebographyHemorrhoidsSodium MorrhuateEndoscopyInjections, IntralesionalLiver CirrhosisPolyethylene GlycolsMesenteric VeinsCystsRenal VeinsUmbilical VeinsIliac VeinArachnidaEndoscopy, GastrointestinalProspective StudiesPicibanilHepatic VeinsHyperpigmentationPopliteal VeinCyanoacrylatesSpermatoceleEthanolRanulaTime FactorsRectal ProlapseVascular Surgical ProceduresLymphatic AbnormalitiesNadololSpermatic CordTelangiectasisEsophageal DiseasesVenous Pressure