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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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Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
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在加速前列腺MRI的近期发展.

Nida Mir1, Stefan J Fransen2, Jelmer M Wolterink3

  • 1Magnetic Detection and Imaging, Technical Medical Centre, University of Twente, Enschede, Netherlands.

Journal of magnetic resonance imaging : JMRI
|November 20, 2023
PubMed
概括
此摘要是机器生成的。

通过减少序列时间,同时保持诊断质量,可以实现更快的前列腺癌MRI扫描. 像低样本和人工智能重建等技术对更快的多参数MRI (mpMRI) 获取有希望.

关键词:
快速的收购 快速的收购前列腺癌是前列腺癌.mpMRI 的时间.

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MR Molecular Imaging of Prostate Cancer with a Small Molecular CLT1 Peptide Targeted Contrast Agent

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科学领域:

  • 放射学和医学成像学 医学成像学
  • 医疗保健中的人工智能
  • 瘤成像学成像学

背景情况:

  • 全球前列腺癌发病率不断上升,需要有效的诊断工具.
  • 多参数MRI (mpMRI) 对于前列腺癌诊断至关重要,但漫长的扫描时间会使医疗保健资源受到压力.
  • 减少mpMRI扫描时间对于改善患者吞吐量和可访问性至关重要.

研究的目的:

  • 审查和分析加速前列腺癌mpMRI获取的最新技术.
  • 评估缩短T2W和DWI序列的方法,同时遵守PI-RADS指南.
  • 讨论更快的mpMRI技术的实施,好处,缺点和诊断性能.

主要方法:

  • 审查新的获取技术,重点是有效的数据采样 (更少的平均值,b值).
  • 分析低采样策略与人工智能驱动的重建方法相结合的分析 (消噪,文物校正,合成图像生成).
  • 评估脉冲序列调整和新的获取序列.

主要成果:

  • 通过优化数据采集和重建,各种技术可以减少mpMRI扫描时间.
  • 人工智能在提高图像质量和生成必要的扩散权重成像 (DWI) 数据方面发挥着关键作用.
  • 通过PI-RADS指南评估的诊断性能在审查的研究中保持不变.

结论:

  • 通过先进的获取和人工智能驱动的重建,减少mpMRI扫描时间是可行的.
  • 维持诊断质量对于加速技术的临床整合至关重要.
  • 在临床广泛采用之前,建议进行前性验证,以确保准确性和可靠性.