内镜下经鼻颅颈交界腹侧区手术的应用解剖

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1、硕士学位论文imagewhichlackofthree—dimensionalsense，coupled研mthesurgicalapproachtothisregionadjacentingtoimportantandcomplexanatomicalstructure．Ontheonehand，surgeonshouldhaveexcellentbasicskillsofendoscopicsinussurgery,ontheotherhand，alsobefamiliar谢tllthenasalcavityandparanasalsinusesandnasalsk

2、ulloftheanatomicallandmarks．111epurposeofthistaskisthroughobservationalstudythefeaturesoftheendoscopicendonasalapproachtothevenialregionofC瑚dnio—cervicaljunctiontoestablishthestructureswhichisrelativelyconstantatthesametimeeasytoobserveasthesurgicalmarkingpoints，andcarryoutadetaileddescr

3、iptionofthestructureswhichsurroundtheadjacentofsurgicalapproach．Atthesametime，wemeasuretherelevantanatomicalstructuresaroundtheimportantobservationmeasurements，toestablishtherelativesafetyrangeoftheoperation．Andonthisbasis，usingthecorpse’Sheadtofollowtheactualprocessofclinical，simulateto

4、theventralcraniocervicaljunctionsurgery,pre—validationstudiesestablishedtheusefulnessofsurgicalmarkingpoints，andfurtherprovesthatthefeasibilityandsafetyoftheoperation．Ourresearchincludesthreepartsasfollowing：Chapter．1Theestablishmentofthesurgicallandmarksoftheendoscopicendonasalapproacht

5、otheventralcranio—cervicaljunctionObjective：ThroughtheanatomystudyoftheendoscopicendonasalapproachtotheventralCI钮Iio·cervicaljunction,provideanatomicalbasis，findthestructureswhichalerelativelyconstantaswellaseasytoobserve，andestablishthesestructuresassurgicalmarkingpoints．Atthesametime，w

6、edescribeitssurroundingneighbors、析tllaviewtoexpeditingthissurgicalmethodinclinicalapplication．Methods：Twenty10％formalin-fixedintactadulthead-neckspecimenswereusedtodissectandobservetheanatomicfeaturesofthisacCeSSinordertoestablishABSTRACTthesurgicallandmarksoftheapproach．Followingthesurg

7、eryapproach，incisedalongthemediansagittallineofheadandneckspecimens，inordertoobservetheanatomicfeaturesoftheapproach，lookforsomeoftherelativelyconstantandeasytoobservetheanatomicalstructures，establishthesestructuresassignsoftheoperationpoints，andmaketheuseofinstrumenttoma