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相关概念视频

Computed Tomography01:10

Computed Tomography

4.3K
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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Tandem Mass Spectrometry01:21

Tandem Mass Spectrometry

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Tandem mass spectrometry is a technique that uses multiple mass analyzers in series to obtain a higher selectivity and signal-to-noise ratio for the analyte. Instruments with multiple analyzers separated by an interaction cell enable secondary fragmentation and selected study of the fragment ions.
Secondary fragmentations occur in the interaction cell and can be induced by various factors. Fragmentation induced by collision with inert gases, such as N2, Ar, He, etc., is called collision-induced...
922
Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

195
Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used....
195
Atomic Emission Spectroscopy: Instrumentation01:22

Atomic Emission Spectroscopy: Instrumentation

343
The instrumentation of atomic emission spectrometry (AES) involves various components, including atomization devices that convert samples into gas-phase atoms and ions. There are two main types of atomization devices: continuous and discrete atomizers.  Continuous atomizers, like plasmas and flames, introduce samples in a constant stream, while discrete atomizers inject individual samples using syringes or autosamplers. The most common discrete atomizer is the electrothermal atomizer.
343
Mass Spectrometers01:16

Mass Spectrometers

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This lesson details the instrumentation of a mass spectrometer—a physical instrument to perform mass spectrometry on analyte molecules and record the characteristic mass spectra. This is achieved via three chief functions:
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相关实验视频

Updated: Jun 11, 2025

Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages
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Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages

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不断发展的SPECT-CT技术

Kathy P Willowson1,2, Dale L Bailey1,3

  • 1Department of Nuclear Medicine, Royal North Shore Hospital, Sydney, NSW, 2065, Australia.

The British journal of radiology
|October 9, 2024
PubMed
概括
此摘要是机器生成的。

单光子发射计算机断层扫描 (SPECT) /X射线计算机断层扫描 (CT) 技术的进步增强了其临床实用性,特别是在光学和生物分布研究中. 尽管存在挑战,但SPECT/CT仍然是放射性核素治疗规划和评估的宝贵资产.

关键词:
这就是为什么CTCTCTCTCTCT斯佩克特 (Spectre) 是一个运动场.图像技术技术的成像技术.

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科学领域:

  • 医学成像技术 医学成像技术
  • 核医学就是核医学.
  • 放射性药物疗法是一种放射性药物疗法.

背景情况:

  • 硬件和软件的快速进步大大推动了单光子发射计算机断层扫描 (SPECT) /X射线计算机断层扫描 (CT) 技术.
  • 临床需求和日益增长的超神学领域一直是这些技术发展的关键驱动力.
  • 新兴应用包括全身定量重建和数字探测器技术.

研究的目的:

  • 审查SPECT/CT技术的最新发展.
  • 讨论这些进展的临床影响.
  • 突出SPECT/CT在神经解剖学和放射性核素治疗中的不断扩大的作用.

主要方法:

  • 审查SPECT/CT硬件和软件的技术进步.
  • 对临床应用的分析,重点关注theranostics,生物分布和剂量测量.
  • 将SPECT/CT功能与其他成像方式 (如PET) 的比较.

主要成果:

  • 由于全身定量重建和数字探测器等创新,SPECT/CT技术在多个方面与PET相提并论.
  • 该技术在生物分布和剂量测量研究中起着至关重要的作用,用于规划和评估放射性核酸治疗.
  • 尽管在空间分辨率和灵敏度方面存在局限性,但SPECT/CT在成像长寿命放射性同位素和多标志物研究方面具有独特的优势.

结论:

  • SPECT/CT是一种有价值的临床工具,技术进步使其得到了增强.
  • 它在生物分布,剂量测量和超神学方面的能力正在扩大.
  • 可访问性和独特的成像机会使得SPECT/CT在现代核医学中不可或缺.