摘要目的 比较3种非手术临床分期对食管鳞癌三维适形放疗预后的指导价值.方法 回顾分析2001-2007年接受三维适形放疗的179例食管鳞癌患者临床资料,分别采用食管癌UICC2003分期、我国食管癌协作组分期(协作组分期)和本科分期(祝氏分期)方法进行临床分期,比较其一致性(Kappa系数分析)和对放疗预后判断的价值.结果 全组患者的协作组T分期与祝氏T分期一致性一般(Kappa=0.271),祝氏T分期偏早;协作组TNM分期与祝氏TNM分期一致性也一般(Kappa=0.167),协作组TNM分期偏早.98例患者的UICC-T分期与协作组T分期一致性一般(Kappa=0.261),协作组T分期偏早;UICC-T分期与祝氏T分期一致性更一般(Kappa=0.045),祝氏T分期明显偏早;UICC-TNM分期与祝氏TNM分期一致性最好(Kappa=0.597),UICC-TNM分期与协作组TNM分期一致性一般(Kappa=0.299),协作组TNM分期总体偏早.多因素分析均显示UICC分期、协作组分期和祝氏分期中T分期(χ2=11.58、26.00、51.05,P均＜0.01)、N分期(χ2=15.28、16.10、16.10,P均＜0.01)、M分期(χ2值分别为5.59、27.78、27.78,P均＜0.01)和临床TNM分期(χ2=15.77、34.35、51.10,P均＜0.01)为独立预后因素,UICC分期中T1～T3期难以准确分期且T1～T3期预后相似.结论 3种食管癌临床分期均能用于食管癌放疗预后评价,协作组分期和祝氏分期方法值得进一步推广应用,但准确性有待进一步提高.

abstractsObjective To evaluate the prognostic significance of 3 clinical stage system in 3-dimensional conformal radiotherapy (3DCRT) for esophageal squamous cell carcinoma. Methods From January 2004 to August 2007, 179 cases of esophageal squamous cell carcinoma were treated with 3DCRT.Before radiation, each patient was staged with UICC 2003 TNM stage, stage of Chinese esophageal cancer cooperation group (cooperation group' stage), and Zhu's clinical stage respectively. Concordance of each clinical stage and prognosis was analyzed with SPSS 11.5. Results In 179 cases of esophageal cancer,Concordance was better in T stage ( Kappa = 0. 271 ) than in TNM stage ( Kappa = 0. 167 ) between cooperation group' stage and Zhu's stage. Among them, 98 cases was staged with UICC stage, concordance of T stage was better between UICC-T and cooperation group' T stage (Kappa =0. 261 ) than between UICCT and Zhu's T stage (Kappa = 0. 045 ) ;concordance of TNM stage was better between UICC-TNM and Zhu's TNM stage ( Kappa = 0. 597 ) than between UICC-TNM and cooperation group' TNM stage ( Kappa =0. 299 ). With multivariate analysis, T ( χ2 value is 11.58, 26. 00 and 51.05, all P ＜ 0. 01 ), N ( χ2 value is 15.28, 16. 10 and 16. 10,all P＜0. 01), M (χ2 value is 5.59, 27.78 and 27.78,all P＜0. 01), and TNM (χ2 value is 15.77, 34,35 and 51. 10,all P＜0. 01 ) stage in 3 kinds of clinical stage were independent prognostic factors. In UICC stage, T1-T3 was difficult to definite and the prognosis was not significantly different in T1 -T3 stage. Conclusions In this study, 3 kinds of clinical stage could evaluate prognosis of esophageal cancer after radiotherapy;cooperation group' stage and Zhu's stage need further application, with further accuracy needed.