钴-60在现代放射治疗中的作用：剂量输送与图像引导。
The role of Cobalt-60 in modern radiation therapy: Dose delivery and image guidance.
作者信息
Schreiner L John, Joshi Chandra P, Darko Johnson, Kerr Andrew, Salomons Greg, Dhanesar Sandeep
机构信息
Department of Medical Physics, Cancer Centre of Southeastern Ontario (CCSEO), Kingston, ON, Canada.
出版信息
J Med Phys. 2009 Jul;34(3):133-6. doi: 10.4103/0971-6203.54846.
The advances in modern radiation therapy with techniques such as intensity-modulated radiation therapy and image-guided radiation therapy (IMRT and IGRT) have been limited almost exclusively to linear accelerators. Investigations of modern Cobalt-60 (Co-60) radiation delivery in the context of IMRT and IGRT have been very sparse, and have been limited mainly to computer-modeling and treatment-planning exercises. In this paper, we report on the results of experiments using a tomotherapy benchtop apparatus attached to a conventional Co-60 unit. We show that conformal dose delivery is possible and also that Co-60 can be used as the radiation source in megavoltage computed tomography imaging. These results complement our modeling studies of Co-60 tomotherapy and provide a strong motivation for continuing development of modern Cobalt-60 treatment devices.
现代放射治疗技术，如调强放射治疗和图像引导放射治疗（IMRT和IGRT）的进展几乎完全局限于直线加速器。在IMRT和IGRT背景下对现代钴-60（Co-60）放射治疗的研究非常稀少，并且主要局限于计算机建模和治疗计划演练。在本文中，我们报告了使用连接到传统Co-60装置的断层放射治疗台式设备进行实验的结果。我们表明，适形剂量输送是可行的，并且Co-60可以用作兆伏级计算机断层扫描成像中的辐射源。这些结果补充了我们对Co-60断层放射治疗的建模研究，并为现代钴-60治疗设备的持续开发提供了强大动力。
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