64层螺旋CTA显示胚胎型大脑后动脉伴发Willis环多血管段变异的价值

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1、万方数据中国医学影像技术2007馨第23卷第12期ChinJMedImagingTechnol，2007，Vol23，No12Fetaloriginoftheposteriorcerebralartery：variationofmulti_segmentsofthecircleofWillisdemonstratedwith64-。slicespiralCTangiographyYE磙露g—ying，ZHANGWei-guo。，CHENRong，CHENJin-hua，￡；Xue(DepartmentofRadiology，Ins

2、tituteofSurgeryResearch，DapingHospital，ThirdMilitaryMedicalUniversity，Chongqing400042，China)[Abstract]ObjectiveToinvestigatethevalueof64一slicespiralCTangiography(CTA)indemonstratingvariationsofmulti—segmentsoftheCircleofWillis(COW)inpatientsaccompanyingfetaloriginofth

3、eposteriorcerebralartery(FTP)．MethodsTheimagingof201FTPpatientsdiagnosedby64一sliceCTAand201non-FTppatientsselectedasthecontrolgroupwerecomparativelyanalyzed．WeobservedtheanomaliesoftheCoWmorphologyon64一sliceCTA．ResultsCorn—paredwiththecontrolgroup，patientswithanFTPare

4、morepronetodevelopvariationsoftheA1segmentoftheanteriorcerebralartery(P

5、TPpatientsascomparedtothecontrols(PdidnotdiffersignificantlybetweenthetwOgroups(尹>◇．05)。Concl

6、usionPatientswithanFTParefrequentlyaffectingmorethanonesegmentofCoW．64-slicespiralCTAcanevaluatetheanatomyandvariationofcerebralvesselsroundlywhichconducetoconductthediagnosisandtherapyofcerebralvasculardiseases．[K蟛words]Tomography，X-raycomputed；CircleofWillis；Angiogr

7、aphy；Variations64层螺旋CTA显示胚胎型大脑后动脉伴发Willis环多血管段变异的价值叶莹莹，张伟国”，陈蓉，陈金华，李雪<第三军医大学大簿医院辩战外辩磷究所获射辩，重庆400042)[摘娶]目的搽讨64层螺旋CT血臀成像(CTA)显示胚胎嫩大脑后动脉(FTP)伴发Willis环多做管段变舜的价值。方法慰毙分轿201镤64层蠛旋CTA诊断秀FTP及201镶诊麟秀篓疆P(对照缓)戆影豫学资辩，溪察Willis臻懿形态学改变。结果FTP组与对照组相比，FTP患者更易伴发大脑前动脉A1段、大脑后动脉P1段和椎动脉(VA)

8、变异，且单侧FTP更易发生间侧A1段和P1段变细、发育不良或缺如(Po。05)。缝论FTP患者常襻发Willis郅多斑管段变