在上肢受影响之前的多焦点运动神经病变 (MMN) 的罕见下肢表现
J Adrian Wright1, Grayson Catherwood1, Christian Vanni1
1*Department of Neurological Surgery, University of Texas Southwestern Medical Center, Dallas, TX.
Journal of the American Podiatric Medical Association
|August 28, 2025
概括
多焦点运动神经病 (MMN) 是一种罕见的自身免疫性疾病,通常影响上肢. 这种病例突显出MMN的异常表现, 从下肢开始,导致诊断延迟和永久性肌肉损伤.
科学领域:
- 神经学
- 免疫学
- 罕见疾病
背景情况:
- 多焦点运动神经病 (MMN) 是一种罕见的自身免疫性疾病,其特征是运动轴突的脱髓化,通常在远部上肢表现出不对称的弱点.
- 抗化物-单酸1 (抗GM1) 抗体与MMN的发病有关.
- 虽然MMN通常会影响上肢,但不常见地会影响下肢,可能会导致诊断问题.
研究的目的:
- 报告一种不典型的多焦点运动神经病变 (MMN),最初表现为下肢症状.
- 强调在出现异常症状的情况下考虑MMN的重要性.
- 突出MMN中延迟诊断的后果.
主要方法:
- 病例报告详细说明患者的临床表现,诊断过程和治疗.
- 对MMN表现和结果的相关文献的审查.
主要成果:
- 患者出现了右下肢肌肉缩和虚弱,随后出现左上肢症状.
- 这种非典型的初始表现导致了MMN的延迟诊断.
- 延迟治疗导致受影响下肢的肌肉强度和功能不可逆转.
结论:
- 这种情况强调了MMN呈现的变化,包括从下肢开始的罕见情况.
- 早期识别和诊断MMN对于有效治疗和预防永久的神经缺陷至关重要.
- 为了及时干预,需要提高对不常见的MMN表现的认识.
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