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1、声带小结（Vocalnodules）Vocalnodules,vocalnodules,nodularorvocalnodules.Prolongedexcessiveuseofvoiceorimproperuseofvoicecanoftenoccur,becausewhenthevoicewiththefrequencyrise,thevocalcordtensiongraduallyincreased,thevocalcordmuscletootightandmutualextrusion,impact.General1/3ofthevocalcor
2、dsatthejunctionofseriousdamage,sothelimitationofmucosaledema,hyperplasia,hyperkeratosis,interstitialfibrosisandtheformationofthesymmetryofthetiporthesizeofthecornnodules.Nodules(Vocal)isakindofchroniclaryngitis.Itreferstosymmetricalnodularhyperplasiaatthejunctionof1/3attheanterior
3、edgeofthevocalfoldedge.Ithinderstheglottalclosureandleadstolowvoice,poorandseverehoarseness.Duetoprolongedimproperuseofsoundorexcessiveuseofsound.Underthelaryngoscope,itisseenthatthereisapale,small,translucent,smoothsurfaceoftheanteriorandmiddle1/3ofthevocalfoldmargin.Thesmallvess
4、elsareseenonthebase,andthevocalcordsareblockedduringphonation.Themainsymptomsarehoarseness,sorethroatanditching.Intheoccupationwithvocalnodulesorvoiceshoutinglove,incorrectlyinthecrowd.Somepeoplecallitabriefsummaryofasingerorateacher.EditthisparagraphPathologicalcausePathogenyVoca
5、lnodulesDuetoprolongedimproperuseofsoundorexcessiveuseofsound.Commoninspeechlovingboysandadultwomen,especiallythosewithprofessionalthroats,suchaslargeclassteachers,morevocalsingersthantheirvocalrange,andsoon.Thefirst2/3segmentsofthevocalcordaremembranoustissuesthatparticipateinvoc
6、alcordvibration,followedbythe1/3segmentofarytenoidcartilageandtheopeningandclosingofthevocaltract.AdynamicTVlaryngoscopecanbeusedtoobservethevibrationofthevocalcords.Thelocationofvocalnodulesismostlyatthemidpointofthemembranousvocalcord,whereitisthehighestpointofshearandshearineac
7、hvibrationwave,andlocalizedcongestionandedemacanoccuratthispointwithimpropersoundorexcessivesound.Intheearlystage,itusuallyhasreversibleeffusionunderthemucousmembrane.Itcancausetheepithelialthickeningandthelatentspaceofhyalinedegenerationtoformnodules.PathologyVocalnodulesThepatho
8、logicalchangesofvocalnodulesmainl
