蝶竇CT掃描三維重建在經(jīng)單鼻蝶入路垂體瘤切除術(shù)中的應(yīng)用.pdf

1、遵義醫(yī)學(xué)院碩士學(xué)位論文蝶竇CT掃描三維重建在經(jīng)單鼻蝶入路垂體瘤切除術(shù)中的應(yīng)用姓名：楊恒申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：神經(jīng)外科指導(dǎo)教師：劉窗溪20100501ThestudyonsignificanceofthreedimensionalreconstructionofCTscanofsphenoidalsinusintranssphenoidalmicrosurgeryforpituitaryadenomaIAbstract】Objectiv

2、eTostudythesignificanceofthreedimensionalreconstructionofCTscanofsphenoidalsinusintranssphenoidalmicrosurgeryforpituitaryadenomaMethodsInourstudymulti—slicespiralCTscanandthreedimensionalreconstructionandAQIimageworkstat

3、ionwereusedin54patientswithpituitaryadenomaThepneumatizationclassificationandseptumofsphenoidsinus，andtherelationbetweensphenoidsinusandsellafloorweieobservedThefollowingdataswerepreoperativelymeasured：thedistancebetween

4、anteriorcristanasalisandthelowestpointofpituitaryfosse(OD)，theanteriorwallofsphenoidalsinus(OE)，andtheanglebetweentheplaneofthenasalboaomandthelineofOD(／AOD)，andtheanteriorclinoidprocess(／AOB)，thelineoftheanteriorcristan

5、asalisandtherecessofsphenoidalsinus(ZAOC)，andthedistancebetweentheinternalcarotidarterynotchandthemidlineTheimagedateswerefurtherprovedandcomparedwiththerealanatomyofsphenoidalsinusesduringthemieroneurosurgicalprocedureR

6、esultsThesphenoidsinuseswerefoundtobeidenticaltypeofpneumatizationm24casesandnonidenticalin30cases。Theperfectpneurnatizationinbothsidesweredemonstratedin37cases，andtheperfectpneumatizationonlyinonesidewerefoundin12casesT

7、heinadequatialpneumatizationinbothsideswerefoundin5casesTheseptumsofsphenoidalsinuswerelocatedinmidlinein14cases，inleftsidein15cases，inrightsidein9casesTransverseorobliqueorientedseptumswerefoundin6casesClassificationofs

8、phenoidalsinuswereestablishedaccordingtotheverticallinedrawedfromthecentralpointofthesellafloortoNassionline，andthesphenoidsinuseswerelocatedinfrontoftheverticallinein12cases，undertheverticallinein32cases，andbehindofthev