摘要
目的显影室间孔区域静脉及属支,建立三维图像,构建该区静脉网络,探讨室间孔与周围静脉的空间位置关系。方法筛选60名健康志愿者行3.0 T MR头部扫描,利用最小密度投影(mIP)和交互式医学图像控制系统(Mimics)对原始图像进行后处理,构建室间孔周围静脉网络,对室间孔及周围静脉的解剖学形态进行观察分析。结果室间孔显示率为65%(78侧);大脑内静脉(2.13±0.30)mm,100%(120侧);透明隔前静脉(0.69±0.19)mm,100%(120侧);丘纹上静脉(1.47±0.38)mm,98.3%(118侧);脉络膜上静脉(0.40±0.18)mm,82.5%(99侧)。根据大脑内静脉属支汇入点与室间孔位置关系分为:ⅠA型,24.2%(29侧),即透明隔前静脉汇入大脑内静脉点位于静脉角且紧邻室间孔的后缘;ⅠB型,13.3%(16侧),即透明隔前静脉汇入大脑内静脉点远离静脉角且远离室间孔的后缘;ⅡA型,45%(54侧),即透明隔前静脉汇入大脑内静脉点位于假静脉角且远离室间孔;ⅡB型,15.8%(19侧),即透明隔前静脉汇入大脑内静脉点远离假静脉角和室间孔;Ⅲ型,1.7%(2侧),即丘纹上静脉缺如型。结论磁敏感加权成像(SWI)技术能清晰成像室间孔及其周围静脉,结合Mimics技术可构建大脑内静脉及其属支、室间孔与主要静脉汇合点三维空间位置数据。大脑内静脉属支汇入点与室间孔位置关系分型对室间孔区手术入路选择有重大意义。
Objective To image the veins around the foramen of monro(FM),to build the 3D model of them,to construct venous network in this area and to explore the spatial positional correlation between FM and veins around it.Methods Totally 60 healthy subjects were selected to get the original images on 3.0 T MR and procesed the original images by minimum intensity projections(m IP)and Materialise’s interactive medical image control system(Mimics),built the 3D model of the veins around FM,observed and analyzed the morphology of FM and the veins around it on original and processed images.Results The displaying rate of FM was 65%(78 sides),the displaying rate of internal cerebellar veins(ICV)was 100%(120 sides),the diameter was(2.13±0.30)mm.The displaying rate of anterior septal vein(ASV)was 100%(120 sides),the diameter was(0.69±0.19)mm.The displaying rate of superior thalamostriate vein(STV)was 98.3%(118 sides),the diameter was(1.47±0.38)mm.The displaying rate of superior choroidal vein(SCV)was 82.5%(99 sides),the diameter was(0.40±0.18)mm.According to the relationship between the converging point of the tributaries of ICV and the location of FM,FMs were classified into 5 types:ⅠA,24.2%(29 sides),ASV converged into ICV at the venous angle and closed to the posterior edge of FM;ⅠB,13.3%(16 sides),ASV converged into ICV away from the venous angle and the posterior edge of FM;ⅡA,45%(54 sides),ASV converged into ICV at the false venous angle and closed to the posterior edge of FM;ⅡB,15.8%(19 sides),ASV converged into ICV away form the false venous angle and the posterior edge of FM.Ⅲ,1.7%(2 sides),STV was absent.Conclusion FM and the veins around it are visible on the susceptibility weighted imaging(SWI).It can be constructed by Mimics that the 3D model of ICV,its tributaries,FM and the converging points of the major veins.The classification of FMs is meaningful to the option of surgical approaches through FM.
作者
姚笑笑
李昌盛
陈黛茜
郭玉
缪慧中
杨新东
陈争珍
陈成春
YAO Xiao-xiao;LI Chang-sheng;CHEN Dai-xi;GUO Yu;MIAO Hui-zhong;YANG Xin-dong;CHEN Zheng-zhen;CHEN Cheng-chun(Department of Human Anatomy of Wenzhou Medical University,Zhejiang Wenzhou 325000,China;Department of Traditional Chinese Medicine,the First Affiliated Hospital of Wenzhou Medical University,Zhejiang Wenzhou 325000,China)
出处
《解剖学报》
CAS
CSCD
北大核心
2021年第1期91-97,共7页
Acta Anatomica Sinica
基金
国家自然科学基金(31671250)
浙江省自然科学基金(LGF19C110001)。
关键词
室间孔
大脑内静脉
静脉汇入点
交互式医学图像控制系统
磁敏感加权成像
人
Foramen of Monro
Internal cerebellar vein
Venous converging point
Materialise’s interactive medical image control system
Susceptibility weighted imaging
Human
