面部前庭耳神经复合体的扩散MRI:一项前性临床验证研究
Jonathan Shapey1,2,3, Sjoerd B Vos4,5, Laura Mancini5,6
1School of Biomedical Engineering & Imaging Sciences, King's College London, London, UK. jonathan.shapey@kcl.ac.uk.
European radiology
|June 16, 2023
概括
读出细分扩散加权成像与颜色组织映射准确地可视化了面部前列耳神经复合体. 这种技术能够精确地在手术前定位面部神经,以改善前置神经瘤病例的手术规划.
科学领域:
- 神经成像是一种神经成像.
- 神经外科 神经外科
- 扩散式核磁共振成像 (MRI)
背景情况:
- 对前置神经瘤的手术规划需要准确地划出面部前置神经复合体的精确界限.
- 现有的方法可能缺乏复杂的骨底部解剖学所需的精度.
研究的目的:
- 为了优化一个多层读取分段扩散权重成像 (rs-DWI) 协议.
- 开发一个后处理管道来划分面部前庭耳腔复合体.
- 在手术内评估该技术的准确性.
主要方法:
- 这是一项前性研究,涉及5名健康志愿者和5名前置神经瘤患者.
- rs-DWI获取,其次是彩色组织图 (CTM) 和概率曲谱图生成.
- 在手术期间的神经导航和电生理学记录用于准确性评估.
主要成果:
- 在使用CTM的9/10名健康志愿者中,可视化了面部前庭耳腔综合体.
- 面部神经可视化在所有5名前置神经瘤患者手术前实现.
- 分段之间的平均表面距离为1.11毫米;正刺激的平均距离为1.21-2.03毫米.
结论:
- 带有CTM的rs-DWI为面部前庭耳神经综合体提供1-2毫米的空间精度.
- 这种技术可以准确地在手术前定位面部神经.
- 该方法在不同的扫描仪上证明了可重复的结果.
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