面神经解剖与病变课件

面神经病变EvaluatononlychAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神经病变1面神经概述第Ⅶ对颅神经混合神经感觉神经纤维:舌前2/3的味觉运动神经纤维:面部表情肌的运动副交感神经纤维:舌下腺、下颌下腺和泪腺的分泌人体中穿过骨管最长的脑神经,有长达35cm的面神经管位于颞骨内,易受到损伤Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神经概述2正常面神经(CT)Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL正常面神经(CT)3正常面神经(CT)Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL正常面神经(CT)4正常面神经(CT)滕神经节∈带大神经茎突Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL正常面神经(CT)5正常面神经(MR)Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL正常面神经(MR)6面神经解剖运动神经核上段(supranuclearsegment)运动神经核段(nuclearsegment小脑脑桥段(cerebellopontinesegment)内听道段(internalauditorycanalsegment)迷路段(labyrinthinesegment)鼓室段(tympanicsegment)>乳突段(mastoidsegment),又称垂直段颞骨外段(extratemporalsegment)Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神经解剖7面神经分支面神经管内的分支鼓索(chordatympaninerve)岩大神经(greatsuperficialpetrosalnerve)镫骨肌神经(stapedialnerve)颅外分支:·颞支(temporalbranch)颧支(zygomaticbranch)颊支(buccalbranch)下颌缘支(marginalmandibularbranch)颈支(cervicalbranch)Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神经分支8面神经经颞骨模式图OpeningofinternalacousticmeatusGeniculateganglionGreaterpetrosalnerveLesserDeepETympanicplexusChordatympaniLingualnerve((ternalcarotidarteryGlossopharyngealnerve(CNIX)Inferiorganglion(CNIXValadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神经经颞骨模式图9面神经麻痹周围性面瘫:又称“核下瘫”下运动神经元损伤所致的面神经麻痹(面神经核或核以下周围神经属于下运动神经元)表现为病灶侧所有面肌的瘫痪中枢性面瘫:又称“核上瘫”上运动神经元所致的面神经麻痹,病变在一侧中央前回部或皮质延髓束产生对侧眼裂以下的面肌和对侧舌肌瘫痪Valadononry.chAsposeslidesforNET4odientPEvaluationonly.CreatedwithAsposeSlidesforNET4.0dientProfilo71Copyright2004-2017AsposePtyL面神经麻痹10面神经解剖与病变课件11面神经解剖与病变课件12面神经解剖与病变课件13面神经解剖与病变课件14面神经解剖与病变课件15面神经解剖与病变课件16面神经解剖与病变课件17面神经解剖与病变课件18面神经解剖与病变课件19面神经解剖与病变课件20面神经解剖与病变课件21面神经解剖与病变课件22面神经解剖与病变课件23面神经解剖与病变课件24面神经解剖与病变课件25面神经解剖与病变课件26面神经解剖与病变课件27面神经解剖与病变课件28面神经解剖与病变课件29面神经解剖与病变课件30面神经解剖与病变课件31面神经解剖与病变课件32面神经解剖与病变课件33面神经解剖与病变课件34面神经解剖与病变课件35面神经解剖与病变课件36面神经解剖与病变课件37面神经解剖与病变课件38面神经解剖与病变课件39面神经解剖与病