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首页> 外文期刊>Journal of the American College of Radiology: JACR >Standardization and optimization of CT protocols to achieve low dose.
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Standardization and optimization of CT protocols to achieve low dose.

机译：CT方案的标准化和优化以实现低剂量。

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摘要

The increase in radiation exposure due to CT scans has been of growing concern in recent years. CT scanners differ in their capabilities, and various indications require unique protocols, but there remains room for standardization and optimization. In this paper, the authors summarize approaches to reduce dose, as discussed in lectures constituting the first session of the 2013 UCSF Virtual Symposium on Radiation Safety and Computed Tomography. The experience of scanning at low dose in different body regions, for both diagnostic and interventional CT procedures, is addressed. An essential primary step is justifying the medical need for each scan. General guiding principles for reducing dose include tailoring a scan to a patient, minimizing scan length, use of tube current modulation and minimizing tube current, minimizing tube potential, iterative reconstruction, and periodic review of CT studies. Organized efforts for standardization have been spearheaded by professional societies such as the American Association of Physicists in Medicine. Finally, all team members should demonstrate an awareness of the importance of minimizing dose.
机译：近年来，由于CT扫描而引起的辐射暴露增加越来越引起人们的关注。 CT扫描仪的功能各不相同，各种适应症需要独特的协议，但仍存在标准化和优化的空间。在本文中，作者总结了减少辐射剂量的方法，如构成2013年UCSF辐射安全性和计算机断层扫描虚拟研讨会第一届会议的演讲中所讨论的。解决了在诊断和介入CT程序中在不同身体区域进行低剂量扫描的经验。至关重要的主要步骤是证明每次扫描的医疗需求是合理的。减少剂量的一般指导原则包括为患者量身定制扫描，最小化扫描长度，使用电子管电流调制和最小化电子管电流，最小化电子管电势，迭代重建以及定期进行CT研究。专业协会，例如美国医学物理学家协会，已率先组织了标准化工作。最后，所有团队成员都应表现出对最小剂量重要性的认识。

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