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相关概念视频

Computed Tomography01:10

Computed Tomography

4.5K
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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相关实验视频

Updated: Jul 4, 2025

Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
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Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies

Published on: February 6, 2019

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全球CT辐射剂量优化的愿景

David B Larson1

  • 1Executive Vice Chair, Department of Radiology, Stanford University School of Medicine, Stanford, California; and Chair, ACR Commission on Quality and Safety.

Journal of the American College of Radiology : JACR
|February 1, 2024
PubMed
概括
此摘要是机器生成的。

全球CT辐射剂量优化需要一致的图像质量目标,根据患者的大小和临床需求量身定制. 与当地团队一起实施过程控制计划对于减少剂量变化和提高患者安全至关重要.

关键词:
CT辐射剂量管理管理优化CT辐射剂量的优化

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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.
  • 辐射安全 辐射安全

背景情况:

  • 由于新的CMS措施,CT辐射剂量管理变得越来越重要.
  • 全球CT辐射剂量的显著变化表明当前优化技术的局限性.

研究的目的:

  • 为促进全球CT辐射剂量优化提出战略.
  • 将CT辐射剂量优化定义为常规使用的参数,在考虑患者特征和扫描仪效率的情况下,产生略高于可接受质量值的图像.

主要方法:

  • 建立基于图像质量的每个协议的目标剂量,根据患者的大小而变化,用于非头部CT.
  • 实施一个过程控制程序,包括测量,评估,反和控制.
  • 让当地放射科医生,物理学家和技术人员团队参与,提供必要的工具和支持.

主要成果:

  • 拟议的战略旨在减少CT结果的变化,并允许降低剂量目标.
  • 过程控制程序对于保持CT辐射剂量优化至关重要.

结论:

  • 涉及多个利益相关方 (研究人员,行业,监管机构,付款人,ACR) 的协调努力至关重要.
  • 采用结构化,以团队为基础的方法,类似于其他行业,可以实现普遍的CT辐射剂量优化.