第39卷第3期2023年3月长春中医药大学学报JournalofChangchunUniversityofChineseMedicineVol.39No.3Mar.2023—323—DOI:10.13463/j.cnki.cczyy.2023.03.021CTA与MRA显示大脑动脉环正常解剖结构的对照研究靳梦,田宗武*,张杰,黄金刚,范小萌,曾维(湖南省长沙市长沙医学院,长沙410219)摘要:目的目的比较颅底大脑动脉环(Willis环)经磁共振血管成像(MRA)和CT血管成像(CTA)检查的显像情况。方法方法收集398例患者的完整颅脑血管检查图像,分为CTA组和MRA组进行回顾性分析,统计颅底Willis环形态和分型,与数字减影血管造影(DSA)结果比对,比较4种分型在CTA和MRA图像上的检出率。结果结果398例患者中,CTA组与MRA组均以Willis环I型为主,占比分别为56.0%、78.0%;前交通动脉检出率MRA组较高(P<0.05),完整后交通动脉检出率CTA组较高(P<0.05),2组单支后交通动脉检出率比较无统计学差异(P>0.05),CTA组单支或完整后交通动脉显著高于MRA组(P<0.05)。结论结论MRA对颅脑大脑动脉环的显像比CTA更具临床优势。关键词:CT血管成像;磁共振血管成像;大脑动脉环中图分类号:R445文献标志码:A文章编号:2095-6258(2023)03-0323-04Acase-controlstudyofCTAandMRAshowingnormalanatomicalstructureofAcase-controlstudyofCTAandMRAshowingnormalanatomicalstructureofcerebralarterialcirclecerebralarterialcircleJINMeng,TIANZongwu*,ZHANGJie,HUANGJingang,FANXiaomeng,ZENGWei(ChangshaMedicalCollege,Changsha410219,China)Abstract:ObjectiveAbstract:ObjectiveTocomparethefindingsofthecomputedtomographyangiography(CTA)andthemagneticresonanceangiography(MRA)inthecerebralarterialcircle(Williscircle)oftheskullbase.MethodsMethodsTheintactcraniocerebralvascularexaminationimagesof398patientswerecollectedanddividedintoaCTAgroupandanMRAgroupforaretrospectiveanalysis.ThemorphologyandclassificationoftheWilliscircleoftheskullbasewerecountedandcomparedwiththeresultsofthedigitalsubtractionangiography(DSA)asthereferencestandard.ThedetectionratesofthefourtypesontheseCTAandMRAimageswerecomparedrespectively.ResultsResultsAmongthe398patients,thecircleofWillisIwasthedominantpatterninboththeCTAgroupandtheMRAgroup,accountingfor56.0%and78.0%,respectively.Thedetectionrateoftheanterior...