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1987年7月至1988年7月收治120例鼻咽癌患者,随机分威连续组(A),超分割组(B),分段组(C),每组40例。三组患者性别、年龄基本一致。病理鳞癌112例,泡状核细胞癌3例,未分化癌5例。临床分期Ⅱ期17例,Ⅲ期55例,Ⅳ期48例。 原发灶用~(60)C_o照射,设双耳前野(6—7X6—7cm)和前鼻野,倘CT示侵犯茎突后区加耳后野。剂量A、
From July 1987 to July 1988, 120 patients with nasopharyngeal carcinoma were randomly divided into consecutive groups (A), hyperfractionated group (B), and segmented group (C), 40 cases in each group. The gender and age of the three groups were basically the same. 112 cases of pathological squamous cell carcinoma, 3 cases of vesicular nucleus cell carcinoma, 5 cases of undifferentiated carcinoma. Seventeen cases were clinical stage II, 55 stage III, and 48 stage IV. The primary tumor was irradiated with ~(60)C_o, and the ear front field (6-7X6-7cm) and the anterior nasal field were set, if CT showed violation of the post-styloid area plus postearly field. Dose A,