2. Radiation Biology

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Abstract

The application of ion beams in tumor therapy is based on advantages related to their specific physical and radiobiological properties. Regarding the physical properties, the absorbed dose vs. depth profile characterized by the Bragg peak represents the major advantage as compared to conventional photon radiation. Both protons and heavier ions, however, show similar absorbed dose vs. depth profiles. The advantage of heavier ions such as carbon ions as compared to protons is their radiobiological properties, typically exhibiting the following features:
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2. 放射生物学
离子束在肿瘤治疗中的应用是基于其特殊的物理和放射生物学特性的优势。在物理特性方面,与传统光子辐射相比,以布拉格峰为特征的吸收剂量与深度分布具有主要优势。然而,质子和较重的离子都显示出相似的吸收剂量与深度曲线。与质子相比,碳离子等较重的离子的优势在于它们的放射生物学特性,通常表现出以下特征:
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ICRU Report 98, Stochastic Nature of Radiation Interactions: Microdosimetry ICRU REPORT 97: MRI-Guided Radiation Therapy Using MRI-Linear Accelerators Dosimetry-Guided Radiopharmaceutical Therapy Glossary of Terms and Definitions of Basic Quantities 5 Practical Consequences of the Introduction of the Recommended Operational Quantities
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