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我院自1978年初～1979年末,观察64例术前放疗加手术治疗的病例,其中有7例经术前照射后外观上肿瘤消失,5例镜下组织学检查没有癌细胞,表现为直肠的纤维组织增生,慢性炎症或炎性肉芽肿,以及坏死变性样改变。本组病例发病到确诊最短者四十天,最长者为两年。治疗前肿瘤均不超过直肠周径的二分之一,上下界纵长2～3厘米,有一定的活动性。按病理分类3例为腺癌,2例为鳞癌。均采用钴~(60)外照射,剂量4000拉得左右。
In our hospital from the beginning of 1978 to the end of 1979, 64 cases of preoperative radiotherapy plus surgery were observed. Among them, 7 cases showed tumor disappearance after preoperative irradiation, and 5 cases had no cancer cells under microscope and showed rectum. Fibroplasia, chronic inflammation or inflammatory granulomas, and necrotic degeneration-like changes. The shortest diagnosis in this group was 40 days, and the longest was 2 years. Before treatment, tumors did not exceed one-half of the diameter of the rectum, and the upper and lower borders were 2 to 3 cm in length with certain activity. According to pathology, 3 cases were adenocarcinoma and 2 cases were squamous cell carcinoma. Cobalt ~ (60) external irradiation was used, and the dose was about 4000 pulled.