| 李婷， 郭玉林， 何花， 张小彪， 田兆荣.64层MSCT在进展期胃癌术前T分期中的诊断价值[J].放射学实践,2014,(07):801-804 |
| 64层MSCT在进展期胃癌术前T分期中的诊断价值 |
| Value of 64 slice spiral CT in the diagnosis of T staging of advanced gastric cancer before surgery |
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| DOI：10.13609/j.cnki.1000 0313.2014.07.017 |
| 中文关键词: 体层摄影术，X线计算机 胃肿瘤 肿瘤分期 诊断 |
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| 【摘要】目的：探讨64层MSCT对进展期胃癌术前T分期的准确性。方法：搜集经术前胃镜及病理活检证实的100例胃癌患者的病例资料，对其进行常规平扫及三期动态增强扫描后进行术前T分期，并与术后病理T分期对照，分期的准确性采用Kappa一致性检验。结果：MSCT对T2、T3、T4期胃癌分期的敏感度为58.33%、88.24%、80.95%；特异度为97.22%、75.76%、93.65%；符合率为91.67%、82.14%、90.48%，T分期总的符合率为82.14%。结论：64层MSCT在进展期胃癌术前T分期中具有较高的准确性，对于胃癌术前评估及预后具有重要的指导意义。 |
| 【Abstract】Objective:To study the accuracy of 64 slice spiral CT (MSCT) in the diagnosis of T staging of advanced gastric cancer before surgery.Methods:Clinical materials of 100 patients with gastroscopy and biopsy proved gastric cancer were recruited.MSCT were performed with plain and triphasic dynamic contrast enhancement before surgery.T-staging was evaluated and correlated with that of pathology.Kappa consistency test was used to study the accuracy.Results:The sensitivity of MSCT for T staging of T2、T3 and T4 was 58.33%、88.24% and 80.95%,respectively.The specificity for T2、T3 and T4 was 97.22%、75.76% and 93.65% ,respectively.The accuracy for T2、T3 and T4 was 91.67%、82.14% and 90.48%,respectively.The accuracy on T-staging as a whole was 82.14%.Conclusion:Relatively high accuracy in T staging of advanced gastric cancer before surgery could be obtained by 64-slice MSCT,and it can provide reliable information for surgery guidance and prognosis prediction. |
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