.t磁共振成像对肝门部胆管癌的诊断价值的论文

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1、3.0T磁共振成像对肝门部胆管癌的诊断价值的论文3.0T磁共振成像对肝门部胆管癌的诊断价值的论文【关键词】磁共振成像;肝门部胆管癌;磁共振胰胆管造影;3d-vibe序列【摘要】目的评价3.0t磁共振成像在肝门部胆管癌疾病中的诊断价值及其优势。方法收集26例经手术和病理证实的肝门部胆管癌患者的3.0t磁共振的常规mri、mrcp图像及b超诊断，其中12例行3d-vibe动态增强，10例同期行ct检查，并与病理结果对比,比较它们的诊断价值。结果常规mri结合mrcp对本组病例的定位准确率为100%，定性准

2、确率为92.3%，超声的定位准确率92.3%，定性准确率65.4%，两者对病灶定性的准确率差异有统计学意义(p0.05);12例3d-vibe动态增强比mr平扫多发现小病灶3例，定性诊断更加可靠;10例ct扫描2例误诊，mr检查均定性正确。结论3.0tmr平扫及mrcp对肝门部胆管癌诊断及分型具有重要价值，高于同期b超、ct诊断价值;结合3d-vibe序列动态增强扫描则能清楚显示动脉期，门静脉期及实质期等各个时相，不但有利于小病灶的发现，还能提供病灶的血供情况，为临床提供更高价值的影像信息。【关键词】

3、磁共振成像;肝门部胆管癌;磁共振胰胆管造影;3d-vibe序列diagnosticvalueofmagneticresonanceimagingforthehilarcholangiocarcinomaat3.0tmrichenjian-hua,duanqing,xueyun-jing,etal.departmentofmedicalimaging，unionhospital，fujianmedicaluniversity，fuzhou350001，china[abstract]objectiveto

4、evaluatetheclinicvalueandadvantageofmagneticresonanceimaginginthediagnosisofhilarcholangiocarcinomaat3.0tmr.methodstocollect26cases3.0tmriandmrcpimagingdataandultrasounddiagonosisofhilarcholangiocarcinomaconfirmedbyclinicalsurgeryandpathology,12ofthemha

5、d3d-vibedynamiccontrast-enhancedscanning,10conventionalctexamination,paredwiththepathologicalresultssoastoparetheclinicvalueofthem.resultstheaccuracyofplainmrscanbinedwithmrcpforevaluatingthesitesandthecauseswere100%and92.3%respectively，whereasultrasoun

6、d92.3%and65.4%respectively,itisstatisticalsignificantlydifferentinqualitativeaccuracy(p0.05).12casesof3d-vibedynamiccontrast-enhancedmrifound3lesionsmorethanplainmrscan;2casesofmisdiagnosisin10casesofctscanningbutmrexaminationswerequalitativelycorrect.c

7、onclusion3.0tplainmrscanandmrcpisgreatclinicaldiagnosticvalueforhilarcholangiocarcinomaindiagnosisandclassification,ithashigherclinicvaluethanultrasounddiagonosisaswellasctexamination,whichbinedwith3d-vibedynamicsequencescanclearlydemonstratethearterial

8、phase,theportalvenousphaseandparenchymalphase,itisnotonlyusefultofindsmalllesionswhichcannotbefoundinplainscan，butalsoprovidethebloodsupplyoflesionsandhighervalueforclinicalimaginginformation.[keywords]magneticresonanceimaging;hi