放射治疗(简称放疗)是目前治疗鼻咽癌的首选治疗方法,而大剂量的放疗对口腔粘膜有直接损伤作用,特别是同时接受化学疗法的病人,极易发生口腔粘膜溃疡,影响进食。加之病人免疫力降低,易发生严重感染,从而影响病人的正常治疗,导致治疗中断乃至失败。自1997年12月—1998年12月作者 Radiation therapy (referred to as radiotherapy) is the treatment of choice for the treatment of nasopharyngeal carcinoma, and high-dose radiation on the oral mucosa has a direct injury, especially in patients undergoing chemotherapy at the same time, prone to oral mucosal ulceration, affecting eating. Coupled with reduced patient immunity, prone to serious infections, thus affecting the patient’s normal treatment, leading to treatment interruption or failure. Since December 1997 - December 1998 author