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ID:33605130
大小:8.42 MB
页数:64页
时间:2019-02-27
《支气管动脉64层螺旋ct血管成像的临床应用研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、重庆医科大学硕士研究生学位论文数据,有效评价咯血相关血管的三维影像特征,在咯血的诊断及治疗中具有重要价值。影术关键词:咯血,支气管动脉,体层摄影术,X线计算机,血管造第四部分肺部慢性炎症与原发性肺癌供血动脉CTA表现的影像比较目的:探讨肺部慢性炎症与原发性肺癌供血动脉CT血管成像(CTangiography,CTA)表现差异及其鉴别诊断价值。材料与方法:收集61例行64层螺旋CT胸部增强扫描,支气管动脉清晰显示的病例,包括原发性支气管肺癌38例,慢性炎症(含支扩)21例,肺癌合并支扩2例,采用容积显示(volumerendering,V
2、R)、多平面重建(multi.planarreformation,MPR)及最大密度投影(maximumintensityprojection,MIP)对支气管动脉等供血动脉行三维重建,测量供血支气管动脉内径并计算肺癌组与慢性炎症组肺外体循环动脉供血率(2例肺癌合并支扩者不纳入统计),比较2组支气管动脉内径及肺外体循环动脉供血率有无差异。结果:肺癌组38例中,支气管动脉内径平均值为1.87mm,18.42%(7例)伴有肺外体循环动脉供血,慢性炎症组21例中,支气管动脉内径平均值为2.54mm,47.62%(10例)伴有肺外体循环动脉供血
3、,7重庆医科大学硕士研究生学位论文两组支气管动脉的内径及肺外体循环动脉供血率差异均有统计学意义(P<0.05)。结论:慢性炎症时支气管动脉扩张较原发性肺癌更为明显,更能刺激肺外体循环动脉参与供血,两者供血动脉的CTA表现在相关鉴别诊断中有一定价值。关键词:肺癌,慢性炎症,支气管动脉,CT血管造影重庆医科大学硕士研究生学位论文THEAPPLICATIONSTUDYOFBRoNCHIALARTERIESWITH64.SLICESPIRALCOMPUTEDTOMOGRAPHYANGIOGRAPHYABSTRACTPARTlANATOMICAL
4、EVALUATIoNOFBRONCHIALARTEIUESANDTHEIUGHTINTERCOSTALBRONCHIALARTERIESWITH64.SLICESPIRALCTANGIOGRAPHYSECTION1ANATOMICALEV:地UATIONOFBRoNCHIALARTERIESWITH64.SLICESPIRALCTANGIoGRAPHYObjective:Toanalyzethethree—dimensionalanatomicalcharactersofbronchialarteriesbyusing64一slices
5、piralCTangiography(CTA)andevaluateitsvalueofclinicalapplication.MaterialsandMethods:Thescandataof12patientswhoreceivedenhancedchestCTscanwithatleastonebronchialarteryclearlydisplayedwereprocessedattheworkstation.Theirspatialanatomicalcharacterswereobservedandanalyziedbyu
6、singvolumerendering(VR),multi—planarreformation(MPR)andmaximumintensityprojection(MIP).Results:Ofall,280bronchialarterieswereclearlydiaplayedwith158g重庆医科大学硕士研究生学位论文rightand122left.Therewereninebronchialarterydistributionpatterns,ofwhichtheonerightandoneleft(41.07%,46/112
7、)andthetworightandoneleft(24.1l%,27/112)werecommonlyseen.Therightbronchialarteriesmainlyoriginatedfromtherightposteriorintercostalartery(52.53%,83/158)anddescendingaorta(38.61%,61/158),whiletheleftbronchialarteriesmainlyfromthedescendingaorta(88.52%,108/122).20(7.14%)bro
8、nchialarterieswithvariationsintheiroriginationwerefound.Therealsowereanumberofcommontrunks(24.29%,68/28
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