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Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
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由于动态扩散光学乳房成像中的乳房图像压缩引起的部分斑块长度变化引起的错误.

Kaiser Niknam1, Mannu Bardhan Paul2, Anthony Donaldson1

  • 1Department of Physics, University of Houston, Houston, TX.

Proceedings of SPIE--the International Society for Optical Engineering
|April 2, 2025
PubMed
概括

连续波近红外光谱成像 (CW-NIRS) 通过检测血液动力学差异,显示了乳腺癌查的前景. 这项研究调查和纠正CW-NIRS测量的压缩诱导错误,以提高准确性.

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近红外扩散成像近红外扩散成像近红外光谱成像近红外光谱成像乳房成像检查 乳房成像检查哺乳镜的压缩压缩.组织光学 组织光学

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科学领域:

  • 生物医学光学 生物医学光学
  • 医疗成像医学成像
  • 癌症的诊断 癌症的诊断

背景情况:

  • 目前的乳房成像方法有局限性.
  • 乳房图片压缩在癌症和健康组织中不同地影响乳房组织的血液动力学.
  • 连续波近红外光谱成像 (CW-NIRS) 可以利用这些血液动力学差异进行乳腺癌查.

研究的目的:

  • 研究乳房压缩对CW-NIRS测量的影响.
  • 为了量化压缩过程中组织位移引入的错误.
  • 开发和验证用于纠正CW-NIRS数据中这些压缩引起的错误的方法.

主要方法:

  • 利用模拟和实验数据来分析CW-NIRS中的错误.
  • 检查了在乳房压缩下信号深度的误差如何变化.
  • 对NIRS测量进行特定校正技术进行了研究.

主要成果:

  • 乳房压缩在CW-NIRS测量中引发了重大错误,这是由于组织的移位.
  • 这些错误的幅度取决于信号深度.
  • 研究了纠正方法以减轻这些错误.

结论:

  • 压缩诱导的错误是CW-NIRS乳腺癌查的一个关键挑战.
  • 了解和纠正这些错误对于准确的血液体积估计至关重要.
  • 这项工作为开发更强大的CW-NIRS技术用于乳腺癌检测提供了基础.