小脑齿状核及其静脉的磁敏感加权成像

doi:10.16098/j.issn.0529-1356.2020.02.015

解剖学报 ›› 2020, Vol. 51 ›› Issue (2): 239-244.doi: 10.16098/j.issn.0529-1356.2020.02.015

小脑齿状核及其静脉的磁敏感加权成像

姚笑笑¹任传根² 陈黛茜³缪慧中¹ 陈争珍¹杨新东¹ 李昌盛¹ 陈成春^1*

1.温州医科大学解剖学教研室，浙江温州 325000； 2.温州医科大学附属第一医院超声影像科，浙江温州 325000； 3.温州医科大学附属第一医院中医科，浙江温州 325000

收稿日期:2019-02-10 修回日期:2019-03-08 出版日期:2020-04-06 发布日期:2020-04-06
通讯作者: 陈成春 E-mail:cccwzmc@126.com
基金资助:
大脑髓质静脉网络的SWI可视化研究;基于SWI显影深髓静脉形态改变对TIA患者发生缺血性脑卒中的预测价值研究

Cerebellar dentate nucleus and its veins on susceptibility weighted imaging

YAO Xiao-xiao¹ REN Chuan-gen² CHEN Dai-xi³ MIAO Hui-zhong¹ CHEN Zheng-zhen¹ YANG Xin-dong¹ LI Chang-sheng¹ CHEN Cheng-chun^1*

1.Department of Human Anatomy of Wenzhou Medical University，Zhejiang Wenzhou 325000，China; 2.Department of Ultransound Imaging, the First Affiliated Hospital of Wenzhou Medical University，Zhejiang Wenzhou 325000，China; 3.Department of Traditional Chinese Medicine, the First Affiliated Hospital of Wenzhou Medical University，Zhejiang Wenzhou 325000，China

Received:2019-02-10 Revised:2019-03-08 Online:2020-04-06 Published:2020-04-06
Contact: CHEN Cheng-chun E-mail:cccwzmc@126.com
Supported by:
;The research on the predictive value of ischemic stroke in TIA patients based on the morphological changes of deep medullary veins in SWI

摘要/Abstract

摘要：

目的利用磁敏感加权成像（SWI）技术显影齿状核及其静脉，探讨齿状核门位置与静脉变异的关系。方法筛选18～30周岁的健康青壮年51例（男24例，女27例）行3.0T SWI序列头部扫描，利用最小密度投影（mIP）技术对原始图像进行后处理，通过SWI序列的原始图像以及重建后图像，对齿状核门及周围静脉的解剖形态进行观察分析。结果齿状核长（16.64±0.20）mm，宽（8.36±0.14）mm，两侧长宽均无差异；齿状核长轴夹角中位数为26.80°（四分位间距为34.58°）。齿状核静脉可分为外侧、内侧两组，由水平裂大静脉、核静脉、齿状核中央静脉及蚓静脉引流。齿状核外前部经核静脉引流至岩上窦；外中部由多条小静脉向外侧汇入水平裂大静脉；外后部由很多支极细小静脉引流，汇入蚓静脉或髓质静脉；内前部由蚓旁静脉、齿状核中央静脉共同引流，蚓旁静脉常于齿状核门周围汇入齿状核中央静脉，最终经蚓前静脉至直窦；内后部常汇入蚓静脉属支，蚓旁静脉可与之共同汇入蚓静脉。齿状核门75.49%位于内上象限，24.51%位于内下象限。结论齿状核及其静脉在SWI图像中清晰可见，齿状核门的位置可能与蚓旁静脉汇入点相关。

关键词: 齿状核, 齿状核门, 齿状核静脉变异, 磁敏感加权成像, 人

Abstract:

Objective Make use of image dentate nucleus and the veins around it on susceptibility weighted images (SWI), explore the correlation between the location of hilum of dentate nucleus and the venous variation of dentate nucleus. Methods Selecting 51 healthy adults (24 men, 27 women) at the age between 18 and 30 years old to get the original images on 3.0T MR. Process the original images by minimum intensity projections (mIP) observed and analyzed the morphology of dentate nucleus and veins around it on original and processed images. Results The length of dentate nucleus was (16.64±0.20)mm, and the width was (8.36±0.14)mm. There was no significant difference between bilateral dentate nucleus. The median angle of the long axis of the dentate nucleus was 26.80° (interquartile distance was 34.58°). The venous network of dentate nucleus was formed in 2 groups of veins: the lateral group, drained by the vein of the horizontal fissure and nuclear vein; the medial group, drained by vermian vein and central vein of dentate nucleus. These two groups had been further typing as follows: the lateral anterior group drained by the nuclear vein, finally opening to superior petrosal sinus; the lateral median group had plenty of small veins of lateral dentate nucleus converge into the vein of the horizontal fissure; the lateral posterior group drained by a lot of very small veins converging to vermian veins or medullary veins; the medial anterior group that the central vein of dentate nucleus and the paravermian vein were jointed at hilum of dentate

ucleus, opening into straight sinus; the medial posterior group usually converged into tributaries of vermian vein, or converged with paravermian vein into tributaries of vermian vein. Totally 75.49% of hilums of dentate nucleus were located at upper inner quadrant, the other 24.51% of them were located at lower inner quadrant. Conclusion Dentate nucleus and its veins are clearly visible on the susceptibility weighted images, and the location of the hilum of dentate nucleus may be related to the abouchement of paravermian vein.

Key words: Dentate nucleus, Hilum of dentate nucleus, Venous variation of dentate nucleus, Susceptibility weighted imaging, Human

中图分类号:

R445

姚笑笑任传根陈黛茜缪慧中陈争珍杨新东李昌盛陈成春. 小脑齿状核及其静脉的磁敏感加权成像[J]. 解剖学报, 2020, 51(2): 239-244.

YAO Xiao-xiao REN Chuan-gen CHEN Dai-xi MIAO Hui-zhong CHEN Zheng-zhen YANG Xin-dong LI Chang-sheng CHEN Cheng-chun . Cerebellar dentate nucleus and its veins on susceptibility weighted imaging[J]. Acta Anatomica Sinica, 2020, 51(2): 239-244.

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小脑齿状核及其静脉的磁敏感加权成像

Cerebellar dentate nucleus and its veins on susceptibility weighted imaging

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