mrt2wi和增强ct对原发直肠癌术前t分期的诊断效能研究

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1、医学影像学杂志2()17,10(27)，1949-1952MRT2WI和增强CT对原发直肠癌术前T分期的诊断效能研究付建立山东省单县中心医院医学影像科导出/参考文献关注分享收藏打印摘要：B的探讨直肠癌患者术前采用MRT2WT和增强CT检查对术前T分期的临床诊断意义。方法对我院收治的114例原发性直肠癌患者进行研究，按随机数字表法分为两组各57例。其中57例患者术前给予MRT2W1检查作为MR组，另57例患者术前给予增强CT检查作为CT组。观察两组患者T分期情况，分析两种检查方式对不同分期原发直肠癌的诊断作用，探讨MR和CT对原发性直肠癌的诊断价

2、值。结果MR诊断原发直肠癌TNM分期与病理诊断TNM分期对比无差异，P>0.05。CT诊断原发直肠癌TNM分期与病理诊断TXM分期对比无差异，P〉0.05。MR对原发直肠癌TNM分期诊断阳性率与病理诊断无差异，P〉0.05。CT对原发直肠癌TNN1分期诊断阳性率与病理诊断无差异，P〉0.05。MR对原发直肠癌TOM分期诊断的阳性预测值上明显高于CT诊断，P<0.05;而在敏感度、特异度、阴性预测值及准确率上并无差异，P〉0.05。结论MRT2WT对原发直肠癌患者术前TNM分期的诊断效能优于增强CT，尤其在对阳性的预测上较好，值得临床应用及推广。

3、关键词：原发直肠癌;T分期;体层摄影术，X线计算机;磁共振成像;作者简介：付建立（1982-）,男，山东菏泽人，医学硕士，主治医师，主要从事医学影像学诊断工作收稿日期：2017-01-10EfficacyofMRT2WIandenhancedCTinthediagnosisofpreoperativeTstagingofprimaryrectalcancerDepartmentofMedicalImaging，ShanxianCountyCentralHospital;Abstract：ObjectiveTostudytheclinicaldi

4、agnosticvalueofpreoperativeTstaginginpatientswithrectalcancerby.MRT2WIandenhancedCT.MethodsTheclinicaldataof114patientswithprimaryrectalcanceradmittedfromJanuary2014toJanuary2016inourhospitalwerestudied,theywererandomlydividedintotwogroups(n=57).Amongthem,57patientsweregiven

5、preoperativeMRT2WTastheMRgroup，andtheother57patientsweregivenenhancedCTbeforesurgeryastheCTgroup.TwogroupswereobservedinpatientswithTstaging，diagnosisandanalyzedtheeffectsoftwokindsofinspectionmethodsfordifferentstagesofprimarycolorectalcancer,evaluatedthediagnosticvalueofMR

6、andCTinprimaryrectalcancer.ResultsTherewasnodifferencebetweenMRdiagnosisofprimaryrectalcancerTNMstagingandpathologicaldiagnosisofTNMstaging,P〉0.05.CTdiagnosisofprimaryrectalcancerTNMstagingandpathologicaldiagnosisofTNMstaginghadnodifference,P>0.05.ThepositiverateofTNMinthedi

7、agnosisofMRstagingofprimaryrectalcancerwasnotdifferentfromthatofpathologicaldiagnosis,P>0.05.ThepositiverateofTNMinthediagnosisofCTstagingofprimaryrectalcancerwasnotdifferentfromthatofpathologicaldiagnosis，P>0.05.ThepositivepredictivevalueofMRinthediagnosisofTNMstagingofprim

8、aryrectalcancerwassignificantlyhigherthanthatofCT,P<0.05;However,therewasno