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１９９２年度我科共收治头颈部恶性肿瘤患者４６例。门诊随机分为二组，放疗配合维生素Ａ为综合组２４例；不用维生素Ａ为单放组２２例。４６例病人均用６０ＣｏＴ射线照射，总量为４０～７０ＧＹ／４～７周。综合组口服维生素Ａ５万单位，每天三次，放疗结束时停用。经临床观察，病人在放疗中服用维生素Ａ能降低皮肤、粘膜反应，既经济又方便。综合组皮肤反应Ｉ°１４／２３（６０．８６％），Ⅲ°３／２３（１３．０４％）。单放组皮肤反应Ⅰ°５／２３（２１．７３％），Ⅲ°１１／２３（４７．８２％）。综合组粘膜反应Ⅰ°１７／２３（７３．９１％），Ⅲ°２／２３（８．６９％）。单放组粘膜反应Ⅰ°３／２３（１３．０４％），Ⅲ°１１／２３（４７．８２％）。综合组明显优于单放组，保证了放疗的顺利进行。
In 1992, our department received a total of 46 cases of head and neck cancer patients. Outpatients were randomly divided into two groups, radiotherapy with vitamin A for the comprehensive group of 24 cases; without vitamin A for the single release group of 22 cases. 46 patients were irradiated with 60CoT radiation, the total amount of 40 ~ 70GY / 4 ~ 7 weeks. Combined group of oral vitamin A5 unit, three times a day, the end of radiotherapy disabled. The clinical observation, the patient taking vitamin A in radiotherapy can reduce the skin, mucosal reactions, both economical and convenient. The combined group of skin reactions I ° 14/23 (60.86%), Ⅲ ° 3/23 (13.04%). The skin reactions of single group were Ⅰ ° 5/23 (21.73%) and Ⅲ ° 11/23 (47.82%). The combined group mucosal response Ⅰ ° 17/23 (73.91%), Ⅲ ° 2/23 (8.69%). Group mucosal response Ⅰ ° 3/23 (13.04%), Ⅲ ° 11/23 (47.82%). Comprehensive group was significantly better than the single group, to ensure the smooth progress of radiotherapy.