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呼吸运动、摆位误差等不确定因素是胸部肿瘤精确放射治疗的主要障碍。图像引导下放射治疗(IGRT)技术是解决这些不确定因素的有效方法。全文介绍IGRT相关技术的基本原理与方法,及其在胸部肿瘤中的应用和进展。
Uncertainties such as respiratory motion and set-up errors are major obstacles to accurate radiotherapy of thoracic tumors. Image guided radiotherapy (IGRT) is an effective method to solve these uncertainties. The full text introduces the basic principles and methods of IGRT related technology, and its application and progress in thoracic tumors.