中山大学孙逊仙纪念医院ssc沥水4怀吊NPC放广后咽鼓阵损伤的基础及临厢归H:GEuLoccuetteE警-播禽Eyanghaidi1978163.com联故鳃明刑/100000亢|、支坂115春000000K治炙山火学孙达仕红乏匹欣正常鼻咤颅底答膜解详A筠头,显示翼板与吴颂底答膜林B筠尽帆张肌(维持咤鼓管张的主要肌肉下颌神经通过卵圆孔墓入嚼肌间隙U内侧骝筋帜逞D筠头,通过卵圆孔的下颌神经C图同一平面解制NP鼻听;V3:下颌神经LVP腭帆提肌;TVP腾帆张肌LPt奥外肌;MPt翼内肌宁山大学孙z吊仪医应E浩园浩园5咽鼓管处于放射野中央,不可避免的受到射线的损O。放射技术的改进可减少肿瘤周围重要器官的射线量放射忍*粘膜纤毛损伤*肌肉损伤*神经损伤中山火学孙选他红仪匹庭损伤的机f，粘膜损伤不同放寺剂量对中耳粘膜上皮的影响:扫描电子显微照片X2000A组正常完好的纤毛B组:轻微聚集,纠缠,失去纤毛C组:更严重聚集,纠缠,失去纤毛盅山悲羲孙选仙红仪匹应嬗，咽鼓管功能异常的机制eoolysssnnnoeegonnoainoniennehenromeeeeeeysreceresss仁江E河河招汀中山欠薛孙沥tusp丿匹欣f院ET峡部放射刑量52G墨耳腔剂量一46Gy可明显降低OME发病率噩农OME发痫率最高于放疗后1年薯&调强IMRT技术可保护ET峡部从而降低辐射诱友OMEAnayssolanaomicallacerscontoingifemetidtyolradalonjnduced仁伟宁山大暴孙选M红伟匹应ITeOccurancesofPostadatonOttsMedaWinEfusionnNasophanngealCarcnomsPatentsWinUniteralTand2Dsesses(136Eara3OVEnindvdualsMa(2inMpislradelonOM111816)2e户PostradatonDMEpsisterstoiePiinaiytumcr18(32诊stsPostinadetonOMEcontalatealtotheptmaryumar76刀nes力EJAncunisdoretstdie100KbecauneofoundngOME-atsmedeWefuson5.1%ofearsinT1andT2developpostirradiationOMEbecauseofexclusiveradiationtoxicity13.2%ofearscomplicationduetocombinedofradiotherapyandtumordestructionAtleast28%ofpostiradiationOMEsarerelatedtopursadiationloxicitysomeoftheadverseefiectsmightbeavoidablebyadiustingradiotherapytechniqgues.宁_山大暴孙矗仙蝇禽区庆