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自适应放疗(Adaptive Radiotherapy,ART)是图像引导放射治疗(image-guided radiotherapy,IGRT)提高和发展后的新型放疗技术。治疗的实施可根据患者解剖和/或生理的变化进行修正,也可根据治疗过程中的反馈信息,如肿瘤的大小、形态及位置变化对治疗方案做相应的调整。这是一种理想的个体化动态治疗计划,其目的是不扩大照射野,提高放疗实施的准确性和精确型,并给特定患者实施特定放疗的临床行为。本文就近年来有关图像引导的自适应放疗技术研究进展做一简要综述。
Adaptive Radiotherapy (ART) is a new radiotherapy technique after the enhancement and development of image-guided radiotherapy (IGRT). The treatment can be performed according to the patient’s anatomy and / or physiological changes, and the treatment plan can be adjusted according to the feedback information during the treatment, such as the size, shape and position of the tumor. This is an ideal, individually-motivated, dynamic treatment program designed not to expand the field of exposure, to improve the accuracy and precision of radiotherapy delivery, and to give specific patient clinical practice with specific radiotherapy. This review summarizes the research progress of image-guided adaptive radiotherapy in recent years.