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针式电肌图并不会对MR神经图/肌图的结果产生重大影响

Stefan Sondermann¹, Tobias Boppel¹, Katharina Fieseler¹

¹Department of Neuroradiology, University Medical Center Schleswig-Holstein, Lübeck, Germany.

|February 7, 2024

概括

针式电肌图 (EMG) 可以导致暂时的病变,如胀和血液瘤. 然而,磁共振神经图/肌图 (MRN/MRM) 的这些发现并不干扰对诊断图像的解释.

科学领域:

医疗成像医学成像
神经学神经学
周围神经系统 (PNS) 疾病

背景情况:

磁共振神经图 (MRN) 和肌图 (MRM) 是诊断外周神经系统 (PNS) 疾病的先进技术.
电肌图 (EMG) 通常与MRN/MRM一起用于PNS疾病.
电磁场对MRN/MRM发现的潜在影响需要进行调查.

研究的目的:

为了确定针头EMG是否会在MRN/MRM上引起可检测的病变.
评估这些EMG诱导的病变是否会影响MRN/MRM图像的解释.

主要方法:

包括10名接受临床指示EMG的患者.
在EMG前后 (2-6小时,以及2-3天后) 进行MRN/MRM扫描.
分析了T2信号强度,病变大小和视觉解释.

主要成果:

在90%的患者中检测到针插入部位的焦点 (T2病变).
在50%的患者中发现了微血瘤 (敏感度加权的成像病变).
损伤大小小,图像解释没有受到影响.

结论:

针式EMG常常会导致焦点胀和血液瘤,可以通过MRN/MRM检测到.
这些EMG后的变化并没有显著改变整体肌肉信号强度.
电磁图谱程序不会干扰MRN/MRM的诊断效用.

关键词:

这是一个MR肌图.MR神经图形 MR神经图形电动肌谱学电动肌谱学针 EMG EMG 需要一个针.

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