chronic laryngitis - lectures：慢性喉炎讲座

《chronic laryngitis - lectures：慢性喉炎讲座》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、ChronicLaryngitisPreparedbyDr.HiwaAs’adDefinition:Isachronicinflammationofthemucosaofthelarynx.EtiologyFollowsrepeatedacuteattacksbutusuallyitariseinsidiouslydueto:Faultyuseofvoice.Infectionofteeth,tonsil,sinus,andlowerrespiratorytractinfection.Excessivealcoholconsumptionors

2、moking.Dustorirritantfumes.Clinicalclassification:Chronicnonspecificlaryngitis:Chronicsimplelaryngitis.Hyperkeratosisoflarynx(chronickeratosisorleukoplakia).Pachydermialaryngis.Contactgranuloma.Atrophiclaryngitis.Chronicspecificlaryngitis:TuberculouslaryngitisSyphiliticlaryn

3、gitis.Leprosyofthelarynx.Scleromaofthelarynx.Wegener’s(malignant)granulomaofthelarynx.Mycosisofthelarynx.ChronicNonspecificlaryngitisSimplechroniclaryngitisPathology:Hyperaemiaofvocalcord.Edema.Myositisoccursintheintrinsicmuscles.Excessivesecretionduetohyperactivityofthemuco

4、usgland.Hyperaemicandedematousstageoftenpassestoahypertrophiconeandrarelytoanatrophicone.ClinicalFeatures:-Hoarseness(intermittentthenpersistent).-Cough(slightlydry).-Sorethroat(verycommon).Chroniclaryngitis:thereishyperemiaofmucusmembrane.Odemaofthemarginsofthevocalcord(Rie

5、nkesedema)LaryngealappearanceThreetypes:Hyperaemic.Hypertrophic.Edematous.Inalltypesthelarynxisalwaysaffectedbilaterally&symmetrically.Treatment:VocalrestEliminationofirritatingfactorssuchasdustandsmoking.Systemicantibiotics.Carbocisteine(amucolytic)whensecretionarethick.Str

6、ippingofthevocalcordsisperformedendoscopicallyinpersistentcases.ChronicNonspecificlaryngitisHyperkeratoisofthelarynx(leukoplakia)Definition:Alocalizedformofepithelialhyperplasiacharacterizedbyleukoplakicraisedpatchesonthevocalcord.Pathology:Thereishyperplasticchangeintheepit

7、helium,togetherwithextensionofthepapillaeintothecornium;andbasementmembraneremainsintact.Clinicalfeatures:Hoarseness(gradualonset).Examination:thereisawhiteraisedpatchononeorbothvocalcordstheanteriorandmiddlethirdsareusuallyinvolved.Mobilityofcordsisnotimpaired.Treatment:-In

8、fectioninthemouth,throatandnosetreated.-Strippingofthecordscansometimesbedo