使用扩散张力成像的手臂的MRI:用于使用解析序列手术和放射解剖学的试点研究
M Payen1,2,3,4, M Didier5, R Vialle6,7,8
1Clinique Chirurgicale Infantile, Hôpital Charles-Nicolle, CHU Rouen, 37 Boulevard Gambetta, 76038, Rouen, France. mathilde-payen@hotmail.fr.
Surgical and radiologic anatomy : SRA
|October 26, 2023
概括
一种新的MRI RESOLVE扩散张力成像 (DTI) 方法成功地在健康受试者中绘制了手臂 (BP). 该技术为BP根分析提供可重现的扩散,体积和角度参数.
科学领域:
- 神经成像是一种神经成像.
- 放射学 放射学是一门学科.
- 医学物理 医学物理
背景情况:
- 临床检查是手术指示的标准,但常规的MRI和ENMG对于臂 (BP) 病变是有限的.
- 扩散张力成像 (DTI) 提供了一种新的方法,通过跟踪水分子运动来评估神经功能.
研究的目的:
- 开发和验证RESOLVE扩散MRI序列,以进行全面的臂 (BP) 探索.
- 整合DTI地图与解剖学数据,以精确评估BP损伤.
主要方法:
- 六名健康志愿者接受了3T PRISMA MRI,使用解剖学3D STIR SPACE和RESOLVE扩散序列.
- 从RESOLVE数据生成了分数异构 (FA) 地图;使用3DSlicer测量了根体积和角度.
- 兴趣区域 (ROI) 根据FA测量的平均B0序列进行细分.
主要成果:
- 该RESOLVE序列已成功适应BP成像.
- 平均FA的测量值为0.30.
- 角度测量显示出近距离和远距离值的增加 (ICC 0.6),而体积测量则变化而没有显著的横向差异.
结论:
- 一种新的,可重复的MRI RESOLVE DTI方法被建立用于臂 (BP) 探索.
- 完成了完整的映射,尽管距离神经分辨率有限.
- 该方法可以提取健康BP根的扩散,体积和角度参数.
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