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基于旋锁的快速全脑3D宏分子质子分数映射复发性复发性多发性硬化症的复发性复发性多发性硬化症

Jian Hou¹, Zongyou Cai¹, Weitian Chen²

¹Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.

Scientific reports

|August 2, 2024

概括

一种新的快速成像技术,即快速宏分子质子分数 (MPF) 映射,可以有效地检测复发性复发性多发性硬化症 (RRMS) 患者的微妙白质异常. 这种方法在正常的灰色和白质中显示了减少的MPF,有助于早期发现MS.

科学领域:

放射学放射学是一门学科.
神经成像是一种神经成像.
医学物理医学物理

背景情况:

复发性缓解性多发性硬化症 (RRMS) 的特点是正常出现的白质 (NAWM) 和灰质 (NAGM) 的微妙异常.
敏感和高效的成像技术对于检测RRMS的这些早期变化至关重要.

研究的目的:

提出和评估基于旋锁 (快速MPF-SL) 序列的快速3D宏分子质子分数 (MPF) 量化,用于大脑MPF映射.
评估快速MPF-SL在检测RRMS患者NAWM和NAGM微妙异常方面的实用性.

主要方法:

开发了一种快速的MPF-SL序列,用于快速的全脑MPF映射 (获取时间<3分钟).
招募了34名参与者 (17名RRMS患者,17名健康对照).
在MS病变,NAWM,NAGM和看起来正常的深灰质 (NADGM) 中,比较了传统的MPF-SL,快速的MPF-SL和扩散权重成像 (DWI) 参数.

主要成果:

与所有看起来正常的区域相比,在MS病变中显著减少了MPF.
与对照组相比,RRMS患者在NAGM,NAWM和NADGM (thalamus,caudate) 中显示出明显较低的MPF.
在MS病变附近的正常白质中检测到MPF和ADC的异常.

结论:

快速的MPF-SL使时间效率高,全脑MPF映射成为可能.
这项技术是检测MS白质异常的一个有希望的工具.
快速MPF-SL可以帮助早期评估RRMS中微妙的神经退行性变化.

关键词:

磁共振成像技术磁共振成像技术磁化转移是一种磁化转移.多发性硬化症是多发性硬化症.骨髓蛋白是什么意思骨髓蛋白是什么意思旋转锁的旋转锁可以使用.

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