我院1975年～1985年收治睾丸精原细胞瘤76例。Ⅰ期59例,Ⅱ期17例。全部先行外科高位睾丸切除术,均经病理证实,术后一月左右开始放疗。局部和淋巴引流区均采用~((?)0)CoΥ射线,设五野常规照射。肿瘤量20～40Gy。放疗后对30例有计划地口服N-甲3～10g。 全组五年生存率为82.9％。其中Ⅰ期为91.5％,Ⅱ期为52.9％。放疗剂量20～25Gy五年生存 In our hospital from 1975 to 1985, 76 cases of testicular seminoma were treated. There were 59 cases in stage I and 17 cases in stage II. All the first surgical high orchiectomy, all confirmed by pathology, began after about one month after radiotherapy. Local and lymphatic drainage areas were treated with ~((?)0)CoΥ rays, which were set up with conventional irradiation. The tumor volume is 20-40 Gy. After radiotherapy, 3 to 10 g of N-methyl was orally administered to 30 patients. The five-year survival rate for the whole group was 82.9%. Of these, 91.5% were for phase I and 52.9% for phase II. Radiotherapy dose 20-25Gy five years survival