头颈部癌的自适应放射治疗
Adaptive Radiotherapy for Head Neck Cancer.
作者信息
Mali Shrikant Balasaheb
机构信息
MGV KBH Dental College, Flat No 2, Jyoti Savitri Apartment, Above Bank of Maharashtra, Ashoka Marg, Nashik, India.
出版信息
J Maxillofac Oral Surg. 2016 Dec;15(4):549-554. doi: 10.1007/s12663-016-0881-y. Epub 2016 Feb 22.
Abstract
Changes in patient anatomy may occur either from a tumour volume, position or function of a specific organ at risk, or target volume, weight loss or a reduction in postoperative oedema, and may vary between patients. Adaptive radiotherapy aims to correct morphological variations by realizing one or more plans during the treatment course. Imaging is used to detect these variations, thereby deciding on a potential replanning. At present, adaptive radiotherapy for head neck cancer (HNC) mainly deals with treatment response, such as weight loss or tumor shrinkage. Therefore a properly timed repeat CT scan during treatment is a suitable basis for plan adaptation to account for treatment response.
摘要
患者解剖结构的变化可能源于肿瘤体积、特定危及器官或靶区体积的位置或功能、体重减轻或术后水肿减轻，且患者之间可能存在差异。自适应放疗旨在通过在治疗过程中实施一个或多个计划来纠正形态学变化。成像用于检测这些变化，从而决定是否可能重新规划。目前，头颈癌（HNC）的自适应放疗主要处理治疗反应，如体重减轻或肿瘤缩小。因此，在治疗期间适时进行重复CT扫描是适应治疗反应进行计划调整的合适基础。
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