珍珠和:在高度活跃的晚期多发性硬化症中使用基于敏感性的成像.
Santiago Martinez Sosa1, Nanthaya Tisavipat1, Theodore Betting2
1Department of Neurology, Mayo Clinic, Rochester, MN.
Neurology
|March 5, 2026
概括
中枢静脉标志 (CVS) 和偏磁边缘病变 (PRLs) 有助于诊断多发性硬化症 (MS). 这些MRI生物标志物,现在在2024年麦当劳标准中,有助于识别非典型的MS病例,可能避免大脑活检.
科学领域:
- 神经学 神经学
- 放射学 放射学是一门学科.
- 免疫学 免疫学 免疫学
背景情况:
- 2024年麦当劳标准将中央静脉标志 (CVS) 和磁性边缘病变 (PRLs) 作为多发性硬化症 (MS) 的关键诊断生物标志物.
- 这些基于敏感性的MRI发现提供中等 (CVS) 到高 (PRLs) 的特异性,在复杂或非典型的呈现中具有价值.
- 诊断MS可能具有挑战性,特别是在晚发病或非典型病例中,需要先进的成像技术.
研究的目的:
- 为了说明CVS和PRL在晚发性多发性硬化症的挑战性病例中的诊断实用性.
- 突出这些先进的MRI生物标志物如何在传统标准模糊时支持诊断.
- 强调这些生物标志物的潜力,以减少像脑活检这样的侵入性手术的需要.
主要方法:
- 一个61岁妇女的案例研究,呈现出亚急性动力衰竭和脱节症.
- 综合性脑脊液 (CSF) 分析和广泛的差异诊断工作.
- 高分辨率的7特斯拉核磁共振成像用于识别CVS和PRL,并对脑活检组织进行组织病理学检查.
- 图像检测结果与临床表现和实验室结果的相关性.
主要成果:
- 该患者表现出许多增强性病变,不典型的CSF发现 (淋巴细胞多细胞症,蛋白质升高,缺少橄克隆带) 和最初模两可的MS诊断.
- 大脑活检证实了活跃的脱髓化与富含巨细胞的炎症透物.
- 7特斯拉的MRI显示≥12个CVS和≥1个PRL的存在,证实了复发性晚发性MS的诊断.
- 确定的生物标志物 (CVS和PRL) 在确立诊断方面至关重要.
结论:
- 基于敏感性的成像生物标志物,CVS和PRL,对于诊断复发性硬化症的困难病例至关重要.
- 将CVS和PRL纳入2024年麦当劳标准可能会简化非典型脱髓性疾病的诊断过程.
- 这些先进的MRI标记器可能可以避免对大脑活检的需要,从而促进早期诊断和MS治疗的启动.
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