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1975年至1987年我科收治60岁以上前列腺癌患者30例。临床主要表现为排尿改变,直肠指诊前列腺肿大或触及大小结节。本组病例均经会阴部针刺活检组织学证实:腺癌18例,低分化腺癌11例,未分化癌1例。治疗方法:放疗前30例已行睾丸切除,6例行肿瘤根活手术,术后1～2个月内开始放疗。采用10MV-x线加速器,设前后2野对照,剂量35～45GY/4～5周,改用2野交叉治疗,部分患者做治疗计划(O.S.S),在模拟机下定位,照射野一般用8×10cm～12×12cm左右,根据情况缩野至6×6cm～8×8cm加剂量20～30Gy,使前列腺肿瘤区D_(?)60～70Gy/6～8周。结果:放疗结束时,自觉症状均明显改善,指
From 1975 to 1987, we received 30 patients with prostate cancer above 60 years of age. The main clinical manifestations of urination change, rectal examination prostate enlargement or large and small nodules. All cases were confirmed by histological examination of perineal acupuncture biopsy: 18 cases of adenocarcinoma, 11 cases of poorly differentiated adenocarcinoma, and 1 case of undifferentiated carcinoma. Treatment: 30 cases before radiotherapy have undergone testicular resection, 6 cases of tumor root surgery, radiotherapy within 1 to 2 months after the start. 10 MV-x linear accelerator was used. Before and after 2 field controls, the dose was 35-45 GY for 4 to 5 weeks. The patient was treated with 2 cross therapy. Some patients were treated with OSS and positioned under the simulator. The irradiation field was generally used. ×10cm～12×12cm or so, according to the situation shrinking the field to 6×6cm～8×8cm plus dose of 20-30Gy, so that the prostate tumor area D_(?)60 ~ 70Gy/6 ~ 8 weeks. Results: At the end of radiotherapy, subjective symptoms improved significantly.