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口干症是头颈部肿瘤患者放射治疗后的严重并发症之一,它会导致患者治疗后期的生活质量受到明显的影响。目前对头颈部肿瘤患者涎腺放射性损伤的关注越来越多。但是针对涎腺的放射性损伤,目前还缺乏一种确切的评定方法。随着磁共振功能成像的发展,磁共振弥散加权成像(Diffusion-weighted imaging,DWI)在评价涎腺放射性损伤方面已有一定的进展,本文将对DWI在头颈部肿瘤及放疗后涎腺功能的评价研究进展作一综述。
Dry mouth is one of the most serious complications after radiotherapy in patients with head and neck cancer, which can lead to a significant impact on quality of life in the later stages of treatment. At present, more and more attention is paid to salivary gland radiation injury in patients with head and neck cancer. However, for the salivary gland radiation damage, there is still a lack of an accurate assessment method. With the development of functional magnetic resonance imaging, Diffusion-weighted imaging (DWI) has made some progress in the evaluation of salivary gland radiological damage. In this paper, DWI in the head and neck cancer and radiotherapy salivary gland function Review of the research progress.