颈部影像解剖教学讲义PPT课件.ppt

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1、颈部影像解剖Ⅰ区:为颌下及颏下淋巴结。Ⅰa颏下淋巴结。Ⅰb颌下淋巴结。Ⅱ区:位于颈内静脉周围，由二腹肌后腹－舌骨水平。Ⅱa副神经之前的淋巴结。Ⅱb副神经之后的淋巴结Ⅲ区：位于舌骨下缘－环状软骨下缘之间的颈内静脉周围；Ⅳ区：颈内静脉链下组，位于环状软骨下缘－至锁骨水平的颈内静脉周围；pterygoidsstylopharyngeusstyloidprocesssuperiorpharconstrbuccinatorcarotidinternaljugularmasseterparotidretromandibv

2、tonsillarpillarsparapharyngealspace定位标志1下颌骨下缘2茎突3腮腺第一层次nodalstations:1a1b2a2b3456RPbetweenpharyngealmusclesandlonguscolli定位标志1下颌骨下缘2茎突3腮腺platysmasubmandibularglandsoropharynxepiglottissuppharconstrictorcarotidsIJsSCMretromandibularv定位标志1颌下腺2下颌骨下缘第二层次nodalst

3、ations:1a1b2a2b3456RPmedialtoanteriorbelliesofdigastricmuscleslateraltoanteriorbelliesofdigastricmusclesbacktoposterioredgeofsubmandibularglandfrombackofSMglandtobackofIJdeeptoSCMfrombackofIJtobackofSCMplatysmasubmandibularglandshyoidbonevalleculaepyriforms

4、inusesoropharynxintervallecularseptumSCMcarotidsIJssupcornuthyroidcartepiglottisspharconstrtrapezius第三层次定位标志1舌骨nodalstations:1a1b2a2b3456RPfrombackofSCMtofrontoftrapezius,belowtopofhyoidendsatTOPofhyoidallENDatbottomofhyoidplatysmaSCMstrapmmthyroidcartintju

5、gularscarotidsvertebralspharyngealconstrictorpyriformsinuseslaryngopharynxperiglotticfatpre-epiglotticfataryepiglotticfoldsextjugulars第四层次定位标志1甲状软骨2会厌前间隙nodalstations:1a1b2a2b3456RP(endbelowhyoid)deeptoSCM,belowhyoid(endsattopofhyoid)thyroidcartlaryngealves

6、tibulepyriformsinusesfalsecordsarytenoidspharyngealconstrictorstrapsSCMsIJscarotids第五层次定位标志1甲状软骨2室带nodalstations:1a1b2a2b3456RParytenoidstranvs/obliqarytenoidmlaryngealaditusvocalligament(cord)vocalismthyroidcartilagestrapmpharyngealconstrictorSCMcarotidIJE

7、Jtributariesvertebrals第六层次定位标志1甲状软骨2声带nodalstations:1a1b2a2b3456RPmanubriumtobottomofthyroidcart.,medialtoSCM,thyroidglandcricoidthyroidglandstrapsSCMcarotidsIJslonguscolliscalenestracheaesophagus第七层次定位标志1环状软骨nodalstations:1a1b2a2b3456RPbelowcricoid,deeptoS

8、CMendsatbottomcricoidendsattransvcervicalvvSCMsstrapscarotidsinternaljugularsesophagusthyroidantscalenesmiddle/postscalenesbrachialplexus第八层次定位标志1甲状腺2气管nodalstations:1a1b2a2b3456RPends2cmabovesternocla