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王国坤张金玲赵桂娇刘正刘白鹭.CT及MRI在直肠癌诊断和分期的应用价值研究[J].现代生物医学进展英文版,2015,15(18):3474-3477.

CT及MRI在直肠癌诊断和分期的应用价值研究

Clinical Application Value of CT and MRI in Diagnosis and Staging ofRectal Cancer

DOI：

中文关键词: CT MRI 直肠癌应用价值

英文关键词: CT MRI Rectal cancer Application value

基金项目:黑龙江省教育厅科学技术研究项目（12531388）

Author Name	Affiliation
王国坤张金玲赵桂娇刘正刘白鹭	哈尔滨医科大学附属第二医院CT 诊断科；哈尔滨医科大学附属第二医院磁共振成像诊断科；哈尔滨医科大学附属第二医院结直肠肿瘤外科

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中文摘要:

目的：探究在直肠癌的诊断以及分期方面，CT 与MRI技术的应用价值。方法：选取我院近年来经过病理检测，确诊为直肠癌的患者160 例，随机分为两个实验组，其中一组采取CT 成像方法，另一组患者采取MRI成像。并记录在不同的分期中CT 及 MRI 的应用价值。CT 诊断包含了常规CT 平扫以及CT 增强扫描，MRI 诊断包括轴位DWI、T2W1 冠状位以及矢状位、轴位 T1WI、轴位T2WI的图像。结果：在直肠癌的诊断中，CT 诊断的T 分期与病理性T分期差异不大，其准确率为70.0 %。MRI诊断的T 分期和病理性T 分期差异极小，其准确率为85.0 %。CT 诊断的N 分期与病理性N 分期差异不大，准确率为72.5 %；MRI诊断的N 分期与病理性N 分期差异较小，其准确率为87.5 %。CT 诊断的T分期以及N分期的准确率与MRI诊断的T分期以及N 分期的准确率之间差异均存在统计学意义（P<0.05）。结论：在直肠癌的术前诊断以及局部分期中，MRI诊断与CT诊断相比，有更高的诊断价值。

英文摘要:

Objective:To explore the application value of CT and MRI technology in the diagnosis and staging of rectal cancer.Methods:160 cases diagnosed rectal cancer patients through pathological examination in our hospital were selected, and divided into two groups. Patients in one group were taken CT diagnosis, while in the other group patients were taken MRI diagnosis. And the application value of CT and MRI a in the different stages of rectal cancer was recorded. CT examination contained CT plain scan and enhanced scan, and MRI inspection included axial DWI, T2W1 coronal and sagittal, axial T1WI, axial T2WI observation diagnosis.Results:In the diagnosis of rectal cancer, the difference between CT diagnosis of T staging and pathological T staging was not big, and the accuracy rate was 70 %, while the difference between of MRI diagnosis of T staging and pathologic T staging was little, and the accurate rate was 85 %. CT diagnosis ofN staging and pathological N staging had little difference, and the accuracy rate was 72.5 %; while MRI diagnosis of N staging and pathological N staging were smaller, and the accuracy rate reached 87.5 %. The difference between the accuracy of CT diagnosis and MRI diagnosis of T staging and N T staging were statistically significant (P<0.05).Conclusion:In the preoperative diagnosis and a partial staging of rectal cancer, MRI inspection has a higher accuracy and diagnostic value than CT.

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