A case of auditory neuropathy revealed by OTOF gene mutation analysis in a junior high school girl

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摘要 Objective:Congenitalauditoryneuropathy(AN)affectshearingandspeechdevelopment.ThedegreeofhearingdifficultyincongenitalANvariesasafunctionofpathologyattheinnerearhaircell(IHC)synapsesortheauditorynerve.WereportacaseofaChinesegirlwithANrevealedbyOTOF(otoferlin)genemutationanalysiswhohadonlyamildhearingloss.Patient:A13-year-oldChinesegirlwasdiagnosedashavingcongenitalANonthebasisofOTOFgenemutationanalysis.Shemanifestamildsensorineuralhearinglosswith50%maximummonosyllablespeechdiscriminationrate,normalDPOAEs(distortionproductotoacousticemissions)beyondambientnoiselevels,onlySPs(summatingpotentials)evokedduringECoG(electrocochleography)andabsentABRs(auditoryevokedbrainstemresponses)bilaterallytoclickspresentedat100dBnHL.Shewasabletoeffectivelycommunicatewithothersbyspeechreadingowingtohermildhearingloss.Moreover,bilateralhearingaidshelpedhertocommunicate.Conclusions:OurpatientwasdemonstratedtohaveamutationontheOTOFgene.Nevertheless,shewasabletocommunicateusingauditoryvisualspeechreadinginspiteofamildauditorythresholdelevationprobablyduetopartialpathologyattheIHCsynapsesorintheauditorynerve.
机构地区 不详
出版日期 2017年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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