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1982年12月~1986年12月,我院收治食管癌300例。采用10MV-X线、60Co以及外照射加腔内137Cs三种不同放射源各治疗100例。其1年、3年、5年生存率:10MV-X线组分别为56%、22%、12%;50Co组分别为52%、19%、10%;外照射加腔内137Cs分别为78%、31%、19%。10MV-X组与60Co组比较无显著差异(P>0.05).外照射加腔内组优于其它两组,尤以1年生存率,有显著差异(P<0.01)。三组死亡率分别为61.3%(54/88)、60%(54/90),43%(35/81).后者明显低于前两组(p<0.05)三组病例的死亡原因仍以局部复发为主。临床观察表明:10MV-X线和60Co疗效相似,而外照射加腔内137Cs的方法优于前两组。
From December 1982 to December 1986, 300 cases of esophageal cancer were treated in our hospital. 100 cases were treated with three different radioactive sources, 10MV-X, 60Co and external irradiation plus 137Cs. The 1-year, 3-year and 5-year survival rates were 56%, 22%, and 12% in the 10MV-X group, 52%, 19%, and 10% in the 50Co group, and 78% in the external cavity plus 137Cs. %, 31%, 19%. There was no significant difference between 10MV-X group and 60Co group (P>0.05). The external irradiation plus intraluminal group was superior to the other two groups, especially with a one-year survival rate, with significant differences (P<0.01). The three groups of mortality rates were 61.3% (54/88), 60% (54/90), and 43% (35/81). The latter was significantly lower than the former two groups (p<0.05). The cause of death was still mainly local recurrence. Clinical observations showed that the efficacy of 10MV-X and 60Co was similar, while external irradiation plus intracavity 137Cs was superior to the previous two groups.