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相关概念视频

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Electron Microscope Tomography and Single-particle Reconstruction01:07

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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
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Positron Emission Tomography01:29

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
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相关实验视频

Updated: May 28, 2025

Using Tomoauto: A Protocol for High-throughput Automated Cryo-electron Tomography
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Using Tomoauto: A Protocol for High-throughput Automated Cryo-electron Tomography

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图莫合成的演变.

Mitchell M Goodsitt1, Andrew D A Maidment2

  • 1University of Michigan, Department of Radiology, Ann Arbor, Michigan, United States.

Journal of medical imaging (Bellingham, Wash.)
|February 14, 2025
PubMed
概括
此摘要是机器生成的。

图莫合成是一种医学成像技术,通过减少结构重叠来克服X射线的限制. 本综述追溯了其历史发展和未来在各种应用中的潜力.

关键词:
影像成像技术 影像成像技术图莫合成 (tomosynthesis) 是一种体内合成的方法.这是X射线.

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Lensfree On-chip Tomographic Microscopy Employing Multi-angle Illumination and Pixel Super-resolution
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相关实验视频

Last Updated: May 28, 2025

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科学领域:

  • 医疗成像医学成像
  • 放射学 放射学是一门学科.
  • 诊断成像 诊断成像 诊断成像

背景情况:

  • 传统的单投射X射线成像具有重叠的结构,限制了诊断的清晰度.
  • 限角多投影方法 - - Tomosynthesis - - 是为了克服这种固有的局限性而开发的.
  • 了解图莫合成的历史轨迹对于欣赏其当前能力和未来潜力至关重要.

研究的目的:

  • 追踪图莫合成的历史演变,从它的开始到未来的预测.
  • 审查在整个历史中的突变合成的关键技术进步和临床应用.
  • 为了提供一个基础的概述,在数字图片合成的特殊问题.

主要方法:

  • 对图莫合成的历史评论,引用相关的科学文献.
  • 讨论技术创新,包括早期系统,数字探测器和重建方法.
  • 探索各种临床应用,从胸部成像到牙科和放射治疗.

主要成果:

  • 卷合成起源于20世纪30年代中期,由齐德塞斯·德斯·普兰特斯和考夫曼的贡献.
  • 显著的发展包括呼吸门系统,基于膜和数字探测器系统,以及编码的光圈技术.
  • 目前和新兴的应用包括乳房,身体,骨科,牙科和放射治疗成像,对比度增强和多式成像的进步.

结论:

  • 卷合成具有丰富而持续的医疗成像创新历史.
  • 该技术已经显著发展,比传统的X射线提供了更好的诊断能力.
  • 未来的进展有望进一步提高成像质量和临床实用性,特别是在乳腺成像方面.