鼻咽癌是耳鼻咽喉科最常见的恶性肿瘤,在治疗中一般首选放射治疗。但是放射线在杀伤癌组织细胞的同时,也能损伤正常的组织细胞,病人常有不同程度的放疗反应。全身反应有血细胞下降,恶心呕吐,食欲减退。局部反应出现皮肤红肿、破溃糜烂;唾液腺萎缩、口干难忍;局部组织纤维化、张 Nasopharyngeal carcinoma is the most common otorhinolaryngology malignancy, the preferred treatment of radiation therapy. However, radiation in killing cancer cells, but also damage normal tissue cells, patients often have different degrees of radiotherapy response. Systemic reactions have decreased blood cells, nausea and vomiting, loss of appetite. Local reactions appear skin irritation, ulcerative erosion; salivary gland atrophy, unbearable dry mouth; local tissue fibrosis, Zhang