摘要
Aims:Thegoalofthepresentstudyistosummarizeourexperienceonsurgicalmanagementofretractionpockets(RP)asapreventivetoolagainstcholesteatomas.Methods:Twenty-fiveearshavebeenfollowedupforameanperiodof6.16±4.35years(from1to17years).Thesamplepresentedameanageof47.56±19.11years(from16to73years).Allpatientsunderwentcartilagegraftsurgery.Furthermore10(40%)underwenttympanoplasty(TPL)typeI,14(56%)TPLtypeIIand1(4%)TPLtypeV.Results:Elevenears(44%)showedcholesteatoma:allthesecaseswerestageIIIaccordingtoCharachonstaging,andstageIVorVaccordingtoGersdorffclassification.Twelvepatients(48%)showederosionoftheossicularchain.Ofthese,fivewereassociatedwithcholesteatomaandsevenonlywithretraction.Therecurrencerateofcholesteatomawas12%.NoneofthepatientswithastageIIorIIIRP(accordingtoGersdorffclassification)developedcholesteatoma.TherecurrenceofRPwas0%.Inregardstoliteraturereview,sevenreferenceswereselected.Thesestudiesshowedasuccessraterangingfrom79.1%to88%,whilerecurrencesofRPvariedfrom6.4%to13%.Onlyonestudyspecifiedarecurrencerateofcholesteatomaof28%.Conclusions:SurgicaltreatmentofstagesIIandIIIRPisaneffectivetooltopreventcholesteatomaformation.ThepresenceofkeratinaccumulationandcholesteatomaattheRP(stagesIVandV,accordingtoGersdorff)aretherealpredictorsofpoorprognosis.
出版日期
2017年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
