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相关概念视频

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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相关实验视频

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A Novel Vertebral Stabilization Method for Producing Contusive Spinal Cord Injury
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使用MRI定义多层次的发育性宫脊柱狭窄症.

Prudence W H Cheung1, Justin H M Leung1, Vivien W Y Lee1

  • 1Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong SAR, China.

The bone & joint journal
|October 31, 2024
PubMed
概括
此摘要是机器生成的。

发展性椎脊柱狭窄症 (DcSS) 是根据MRI标准定义的,一般人口中有13%的人表现出多层次的DcSS. 多层次DcSS和男性性别是发展退行性宫骨髓病 (DCM) 的关键预测因素.

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科学领域:

  • 脊柱成像和诊断工作
  • 神经学和神经外科 神经外科
  • 公共卫生和流行病学

背景情况:

  • 发育性椎脊柱狭窄症 (DcSS) 是已知的退行性椎骨髓病 (DCM) 的风险因素.
  • 对DcSS及其患病率的明确,基于MRI的定义仍未确定,这阻碍了风险评估.
  • 了解DcSS特征对于预测DCM发展至关重要.

研究的目的:

  • 为DcSS建立基于MRI的定义,包括其多层特征.
  • 为了确定DcSS在一般人群中的患病率.
  • 评估DcSS作为DCM发展的预测因素.

主要方法:

  • 从95名DCM患者和2,019名普通人群中对宫脊椎MRI (C3-C7) 的横截面分析.
  • 定义DcSS为多层次 (≥3级) 脊髓管前后直径低于DCM患者中位数值的多层次 (≥3级).
  • 利用接收器运行特征分析以获得最佳切线直径和DCM预测后勤回归.

主要成果:

  • 已确定的DcSS的最佳MRI切线直径为:C3 < 12.9mm,C4 < 11.8mm,C5 < 11.9mm,C6 < 12.3mm,C7 < 13.3mm.
  • 多层次DcSS在一般人口队列中的13.0% (262/2,019) 的人群中被确定.
  • 多级DcSS (OR 6.12) 和男性性别 (OR 4.06) 显著预测了DCM的发展.

结论:

  • 这项研究为多层次DcSS提供了第一个基于MRI的定义.
  • 特定于水平的切线直径可以早期识别患有DCM风险的个体.
  • 患有多层次DcSS的个人和男性需要密切监测或早期干预,以防止脊髓损伤.