三叉神经根入脑干区MRI形态学研究

被引:5
作者
周勇智 [1 ]
邹元杰 [1 ]
刘永 [1 ]
刘宏毅 [1 ]
刘文 [2 ]
肖朝勇 [2 ]
机构
[1] 南京医科大学附属脑科医院神经外科
[2] 南京医科大学附属脑科医院影像科
关键词
三叉神经痛; 磁共振成像; 形态学结构; 发病机制;
D O I
暂无
中图分类号
R745.11 [];
学科分类号
摘要
目的研究原发性三叉神经痛(TN)患者三叉神经根入脑干区(REZ)的形态结构及其临床应用价值。方法 36例TN患者和20例非TN患者作为健康对照纳入研究。所有受试对象采用3.0TMRI扫描,采用可变翻转角的三维快速自旋回波序列(3D-SPACE)分别扫描两侧REZ区的形态学结构。采取图像分析软件测量分析三叉神经脑池段长度、三叉神经脑桥角、桥小脑角池面积和三叉神经脑池段面积。结果患侧三叉神经脑池段长度的均值、三叉神经脑桥角的均值、桥小脑角池面积的均值以及三叉神经脑池段面积的均值均小于健侧。对照组的三叉神经脑池段长度、三叉神经脑桥角、桥小脑角池面积及三叉神经脑池段面积的均值均大于疾病组。结论三叉神经脑池段较短,三叉神经脑桥角锐利,易发生神经血管冲突,临床上易导致TN;三叉神经脑池段面积缩小提示三叉神经根的萎缩性改变。MRI形态学信息有利于疾病的诊断及手术决策的选择。
引用
收藏
页码:29 / 32
页数:4
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