患者男,70岁。因无任何诱因下出现咽痛,吞咽有梗阻感2月余,于1998年3月26日住院。确诊为下咽癌进行放射治疗,当放疗剂量达ＤＴ7000ｃＧｙ时,患者出现口干、咽部疼痛。查看口咽部潮红、无糜烂、唾液量少。考虑为放疗反应,即用氧气雾化药物吸入治疗。采用ＳＷ-Ⅱ型射流式医用雾化 Patient male, 70 years old. Because there is no incentive to cause sore throat, swallowing a sense of obstruction more than 2 months, on March 26, 1998 hospitalization. Radiotherapy was diagnosed as hypopharyngeal cancer, when the radiotherapy dose of DT7000cGy, patients with dry mouth, throat pain. Check oropharyngeal flushing, no erosion, less saliva. Consider radiotherapy response, that is, inhalation of oxygen inhalation therapy. The use of SW-Ⅱ-jet medical atomization