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高灵敏的3特斯拉真实倒置恢复MRI检测了慢性活跃多发性硬化症中乳腺膜异面增强的情况
Serhat Vahip Okar1, Henry Dieckhaus, Erin S Beck
1From the Translational Neuroradiology Section, National Institute of Neurological Disorders and Stroke, National Institute of Health, Bethesda, MD, USA (S.V.O., E.S.B., M.I.G., M.A., D.S.R.); qMRI Core facility, National Institute of Neurological Disorders and Stroke, National Institute of Health, Bethesda, MD, USA (H.D., G.N.); Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, USA (E.S.B.); Office of Biostatistics, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA (G.N.); Department of Radiology and Radiological Sciences, Uniformed Services University of the Health Sciences, Bethesda, MD, USA (D.L.P.); Division of Neuroscience, Vita-Salute San Raffaele University and Hospital, Milan, Italy (M.A.); Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA (M.A.); Experimental Immunotherapeutics Unit, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA (I.C.M.C.); Neuroimmunology Clinic, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA (A.F.); and Viral Immunology Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD20814, USA (S.J.).
一种新的MRI技术,优化的3D真实IR,显著改善了在多发性硬化症 (MS) 患者中检测乳腺膜异位增强 (LME) 的检测. 这种先进的方法比标准T2-FLAIR成像提供了更高的灵敏度和更好的LME特征.
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.
- 炎症研究 炎症研究
背景情况:
- 在T2-FLAIR磁力共振成像上,乳腺膜对比度增强 (LME) 与多发性硬化症 (MS) 的进展有关.
- 标准的T2-FLAIRMRI对检测LME的敏感性有限,仅在约25%的MS患者中识别出LME.
研究的目的:
- 为了比较一个优化的3D真实-IRMRI序列与标准的T2-FLAIR用于MS的LME检测.
- 用两种MRI技术评估LME的患病率,特征和临床/放射学相关性.
主要方法:
- 在154名参与者 (124名被诊断为MS谱) 中获得3DT2-FLAIR和实物IRM扫描.
- 为LME焦点计算的对比度和噪声比率 (CNR),并评估与皮质损伤,磁边损伤 (PRL) 和临床数据的关联.
主要成果:
- 优化3D真实IR在73%的参与者中检测到LME,明显高于T2-FLAIR (33%).
- 与T2-FLAIR相比,Real-IR发现了3.7倍更多的LME焦点,CNR是T2-FLAIR的2.5倍.
- 偏磁边缘病变 (PRL) 数与LME焦点数相关,独立于年龄,性别和白质病变体积.
结论:
- 优化3D真实IRM MRI是一种有前途的工具,用于检测和表征MS中的LME.
- PRL和LME之间的关联表明,乳腺炎在慢性MS炎症中起着作用.

