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相关概念视频

Immunodeficiency Diseases01:25

Immunodeficiency Diseases

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Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency...
970

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相关实验视频

Updated: Jul 15, 2025

Visualizing Impairment of the Endothelial and Glial Barriers of the Neurovascular Unit during Experimental Autoimmune Encephalomyelitis In Vivo
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没有明显的免疫抑制的渐进性多焦点白细胞脑病变.

Varun Jain1, Hannah Branstetter1, Srikar Savaram1

  • 1Department of Neurology, College of Medicine, University of Florida, Gainesville, FL.

Medicine
|September 29, 2023
PubMed
概括
此摘要是机器生成的。

渐进性多焦点白细胞大脑病变 (PML) 可以在没有明显的免疫抑制的情况下发生,这挑战了它的稀有性. 这项研究发现PML在没有明显免疫抑制的病例中占11.8%,这表明它可能比以前认为的更常见.

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相关实验视频

Last Updated: Jul 15, 2025

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科学领域:

  • 神经学 神经学
  • 传染性疾病 传染性疾病
  • 免疫学 免疫学 免疫学

背景情况:

  • 渐进性多焦点白内障 (PML) 是一种罕见的,严重的中枢神经系统疾病.
  • PML通常与显著的免疫缺陷有关.
  • 在没有明显免疫抑制的个体中,PML的发生和特征尚不清楚.

研究的目的:

  • 调查在没有明显免疫抑制的情况下发生的PML病例的患病率和特征.
  • 为了确定没有明显免疫抑制的PML是否比以前报告的更常见.

主要方法:

  • 在一个中心诊断出PML (ICD10代码A81.2) 的患者的回顾性评估.
  • 定义没有明显免疫抑制的PML,不包括艾滋病毒,血液恶性瘤,免疫抑制药物和特定的自身免疫疾病.
  • 仅包括具有确定的临床或组织学PML诊断的病例.

主要成果:

  • 在52名患有PML诊断代码的患者中,有17人满足了明确的PML标准.
  • 在17例 (88.2%) 病例中,有15例出现过度免疫抑制,主要是由于艾滋病毒或免疫抑制药物.
  • 17例中的2例 (11.8%) 呈现PML,没有明显的免疫抑制,潜在的促成因素包括狗咬伤带有低血糖球蛋白血症和大量饮酒.

结论:

  • 没有明显的免疫抑制的PML可能比以前认识的更频繁.
  • 即使在没有明显免疫抑制的患者中,也应该考虑诊断PML,如果临床和放射性发现有暗示.
  • 没有明显的免疫抑制的两例确诊病例都是致命的,突出显示了病情的严重程度.