面神經病變EvaluatononlychAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神經病變1面神經概述第Ⅶ對顱神經混合神經感覺神經纖維:舌前2/3的味覺運動神經纖維:面部表情肌的運動副交感神經纖維:舌下腺、下頜下腺和淚腺的分泌人體中穿過骨管最長的腦神經,有長達35cm的面神經管位于顳骨內,易受到損傷Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神經概述2正常面神經(CT)Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL正常面神經(CT)3正常面神經(CT)Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL正常面神經(CT)4正常面神經(CT)滕神經節∈帶大神經莖突Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL正常面神經(CT)5正常面神經(MR)Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL正常面神經(MR)6面神經解剖運動神經核上段(supranuclearsegment)運動神經核段(nuclearsegment小腦腦橋段(cerebellopontinesegment)內聽道段(internalauditorycanalsegment)迷路段(labyrinthinesegment)鼓室段(tympanicsegment)>乳突段(mastoidsegment),又稱垂直段顳骨外段(extratemporalsegment)Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神經解剖7面神經分支面神經管內的分支鼓索(chordatympaninerve)巖大神經(greatsuperficialpetrosalnerve)鐙骨肌神經(stapedialnerve)顱外分支:·顳支(temporalbranch)顴支(zygomaticbranch)頰支(buccalbranch)下頜緣支(marginalmandibularbranch)頸支(cervicalbranch)Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神經分支8面神經經顳骨模式圖OpeningofinternalacousticmeatusGeniculateganglionGreaterpetrosalnerveLesserDeepETympanicplexusChordatympaniLingualnerve((ternalcarotidarteryGlossopharyngealnerve(CNIX)Inferiorganglion(CNIXValadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神經經顳骨模式圖9面神經麻痹周圍性面癱:又稱“核下癱”下運動神經元損傷所致的面神經麻痹(面神經核或核以下周圍神經屬于下運動神經元)表現為病灶側所有面肌的癱瘓中樞性面癱:又稱“核上癱”上運動神經元所致的面神經麻痹,病變在一側中央前回部或皮質延髓束產生對側眼裂以下的面肌和對側舌肌癱瘓Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神經麻痹10面神經解剖與病變課件11面神經解剖與病變課件12面神經解剖與病變課件13面神經解剖與病變課件14面神經解剖與病變課件15面神經解剖與病變課件16面神經解剖與病變課件17面神經解剖與病變課件18面神經解剖與病變課件19面神經解剖與病變課件20面神經解剖與病變課件21面神經解剖與病變課件22面神經解剖與病變課件23面神經解剖與病變課件24面神經解剖與病變課件25面神經解剖與病變課件26面神經解剖與病變課件27面神經解剖與病變課件28面神經解剖與病變課件29面神經解剖與病變課件30面神經解剖與病變課件31面神經解剖與病變課件32面神經解剖與病變課件33面神經解剖與病變課件34面神經解剖與病變課件35面神經解剖與病變課件36面神經解剖與病變課件37面神經解剖與病變課件38面神經解剖與病變課件39面神經解剖與病