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目的探讨多层螺旋CT(MSCT)、超声内镜(EUS)在胃癌术前T分期中的价值。方法对经病理活检证实的55例胃癌患者术前分别行多层螺旋CT、超声内镜检查并与手术病理进行对比分析。结果 MSCT对胃癌术前T1、T2、T3、T4分期的准确率分别为60.0%、54.5%、91.3%、91.7%,总的T分期准确率为80.0%,超声内镜对胃癌术前T1、T2、T3、T4分期的准确率分别为70.0%、63.6%、87.0%、66.7%,总的T分期准确率为76.4%。两者对总的T分期间的差异无统计学意义。结论 MSCT和EUS对胃癌术前T分期均有较高的准确性,为指导临床合理地制订治疗方案和进行预后分析提供了依据。
Objective To investigate the value of multi-slice spiral CT (MSCT) and endoscopic ultrasonography (EUS) in preoperative T-staging of gastric cancer. Methods Fifty-five patients with gastric cancer confirmed by pathological biopsy before operation were examined by multi-slice spiral CT and ultrasonography respectively and compared with the surgical pathology. Results The accuracy of MSCT for preoperative T1, T2, T3 and T4 staging of gastric cancer were 60.0%, 54.5%, 91.3% and 91.7%, respectively. The accuracy of T stage was 80.0% The accuracy rates of T2, T3 and T4 staging were 70.0%, 63.6%, 87.0% and 66.7%, respectively. The accuracy of total T staging was 76.4%. The difference between the two groups in the total T-score was not statistically significant. Conclusion Both MSCT and EUS have higher accuracy for preoperative T-staging of gastric cancer, which provides a basis for guiding clinical rational development of treatment plan and prognosis analysis.