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相关概念视频

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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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Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

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IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
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相关实验视频

Updated: Jan 14, 2026

Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
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[骨髓造影-仍然是最新的吗?]

Wolfgang Reith1, Anne Kettner2, Michael Kettner2

  • 1Klinik für diagnostische und Interventionelle Neuroradiologie, Universitätsklinikum des Saarlandes, Kirrbergerstraße, 66424, Homburg, Deutschland. Wolfgang.Reith@uks.eu.

Radiologie (Heidelberg, Germany)
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概括

骨髓学可视化脊髓和神经根. 先进的技术,如动态CT-myelography对于诊断脑脊液泄漏至关重要,有助于有效的治疗.

关键词:
大脑脊髓液的囊.相反的介质是对比的介质.泄漏情况 泄漏情况磁共振成像技术 磁共振成像技术自发的内低血压.

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科学领域:

  • 神经辐射学神经辐射学
  • 诊断成像 诊断成像 诊断成像

背景情况:

  • 骨髓学可视化脊髓和神经根通过内对比或MRI.
  • 从历史上看,光镜骨髓学是黄金标准,CT和MR成像现在很常见.
  • 尽管有进步,骨髓图仍然对不清楚的MRI发现和诊断脑脊液 (CSF) 泄漏至关重要.

研究的目的:

  • 为了突出神经放射学中骨髓图学的持续重要性.
  • 强调其在诊断脊髓大脑脊髓液 (CSF) 泄漏中的作用.
  • 讨论特定的骨髓学技术,用于CSF泄漏局部化.

主要方法:

  • 在脊柱下关节空间 (SAS) 内注射对比剂.
  • 使用X射线光学或计算机断层扫描 (CT) 的图像引导注射.
  • 非侵入性磁共振成像 (MR) 使用重 T2 权重序列.

主要成果:

  • 骨髓造影仍然是补充MRI发现的必要条件.
  • 动态CT-骨髓图 (CTM),数字减去骨髓图 (DSM) 和动态光镜骨髓图是可视化CSF泄漏的关键.
  • 当保守措施失败时,准确地定位脊髓中核液泄漏对于手术治疗至关重要.

结论:

  • 骨髓造影,特别是动态CT骨髓造影,对于诊断和定位脊髓脑脊髓液泄漏是不可或缺的.
  • 这种技术对于自发性内低血压 (SIH) 患者至关重要,这些患者对初始治疗没有反应.
  • 对脑液泄漏诊断的重新关注强调了骨髓学在临床实践中的持久价值.