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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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A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound
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了解多参数MRI性能与前列腺癌之间的空间相关性.

Fatemeh Zabihollahy1, Sohaib Naim1,2, Pornphan Wibulpolprasert3

  • 1Department of Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, California, USA.

Journal of magnetic resonance imaging : JMRI
|February 12, 2024
PubMed
概括

多参数MRI (mpMRI) 显示与前列腺癌 (PCa) 位置的空间相关性. 特定的区域,如左后前列腺,有更高的错过临床显著PCa的可能性.

关键词:
普利-拉德斯 (PI-RADS) 是一个研究机构.多参数核磁共振成像 (MRI)前列腺癌是前列腺癌.前列腺部门地图地图整个山的组织病理学.

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科学领域:

  • 放射学 放射学是一门学科.
  • 尿道瘤学 尿道瘤学
  • 医疗成像医学成像

背景情况:

  • 多参数MRI (mpMRI) 显著影响前列腺癌 (PCa) 的诊断.
  • 了解mpMRI性能与PCa位置之间的空间关系至关重要,但有限.
  • 前列腺部门映射为分析这些空间相关性提供了一个框架.

研究的目的:

  • 用前列腺部门地图调查mpMRI性能与瘤空间位置之间的关联.
  • 分析不同前列腺区域的检测率和积极预测值.
  • 确定在mpMRI上错过临床显著PCa (csPCa) 的比率较高的区域.

主要方法:

  • 在进行激进前列腺切除术 (2010-2022) 之前,对1143名接受了mpMRI的男性进行了回顾性分析.
  • 使用了3.0 T MRI 扫描仪,使用T2加权,扩散加权和动态对比增强的序列.
  • 采用加权基平方测试来评估前列腺癌患病率,检测率和前列腺部门的积极预测值的统计差异.

主要成果:

  • 对1665个PCa病变的分析揭示了1060个临床显著 (cs) PCa瘤 (格里森得分≥7).
  • 左后外周区域 (PZ) 显示出缺失csPCa病变的可能性很高 (检测率为67.0%).
  • 工业区内的前部和顶部位置显示出显著较低的csPCa检测率 (分别为67.3%和71.5%).

结论:

  • 对于PCa诊断的mpMRI性能表现出明显的空间特征.
  • 在mpMRI性能和前列腺内PCa的位置之间存在显著的空间相关性.
  • 结果强调特定区域,如左后PZ,前PZ和顶部,是需要改进检测策略的区域.