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1、硕士毕业论文AnatomyandClinicalApplicationofSurgical’。。Sellar1”、‘viaSurgicalSpacesinellarRegionVIaPterionalKeyholeApproachName：DUWeiSupervisor：QinShan--zhenProfessorABSTRACTBackgroundSellarRegionwasinthecenterofbasilarregion、丽mdeepsiteandadjacentlotsofimportantnen
2、resandbloodvessels，suchasopticnerve，opticchiasm,optictract，stalkhypophysial，supraclinoidportionofinternalcarotidartery,ophthalmicartery,superiorhypophysealartery,anteriorcommunicatingartery,posteriorcommunicatingartery,anteriorchoroidalartery,anteriorcerebr
3、alartery,middlecerebralartery,posteriorcerebralartery,furcationofbasilarartery,hypothalamus，mirdventricleandSOon．SeUarregionWaspredilectionsiteofmanylesions：pituitarytumor,craniopharyngioma,meningioma,intracranialaneurysmandgliomaofopticnerve，forinstance．Th
4、erewereeightykindsoflesionsinsellarregionreportedbyreferences．Thepterionalapproachwasoneofthefrequentpracticalapproaches．Anteriorskullbase，sellarregion，interpeduncularcistern，prepontinecisternandeerebellopontinecisternwouldbeexposedinthepyramidalspaceformed
5、bystrippingsphenoidalcrestanddissectingSylvianfissureandnaturalfissuresofbrainviathepterionalapproach．Inrecentyears，theconceptofminimallyinvasiveneurosurgery，whichmeanssurgeryshouldbepreciseandminimallyinvasive，hasbeenwellaccepted．Theaimofkeyholeneurosurger
6、yisasminimallyinvasiveaspossiblewithaminimumofiatrogenictraumatizationandtoachieveaAbsttactmaximumofefficiency．Becauseofthedifferentdiseasedregion,Operativeapproachvariesfrompersontoperson．Thepterionalkeyholeapproachisoneoftheminimallyinvasiveapproaches．Wit
7、htherapiddevelopmentofminimallyinvasiveneurosurgery,keyholeandneuroendoscopictechniquesaregettingmoreandmoreattention，andthecombinationofthetwotechniqueshasbecomeamilestoneforminimallyinvasiveneurosurgery．Onaccountofespecialopticalproperty，neuroendoscopypla
8、yanimportantroleinneurosurgery,especiallyinmicroneurosurgeryviakeyholeapproach．Thankstothesmallcross-sectionandgooddeeplighting，neuroendoscopyisabletooperatewithinnarrowlacuneandpreventbraintissue，bloo
