·107CHINESEJOURNALOFCTANDMRI,FEB.2023,Vol.21,No.02TotalNo.160【第一作者】陈阳阳，女，主治医师，主要研究方向：影像诊断学。E-mail：ztsg789@163.com【通讯作者】李玉侠，女，副主任医师，主要研究方向：影像方向。E-mail：lyx19912001@163.com论著ApplicationofMR-DWIintheDiagnosisofAnteriorMediastinalLymphomaCHENYang-yang1,LIYu-xia2,*,LIShan-jie3,DOUWen-guang1,LIANGChang-hua1,HUYing1.1.DepartmentofRadiology,theFirstAffiliatedHospitalofXinxiangMedicalCollege,Xinxiang453100,HenanProvince,China2.MRIRoom,theFirstAffiliatedHospitalofXinxiangMedicalCollege,Xinxiang453100,HenanProvince,China3.DepartmentofImaging,XinxiangUnionHospital,Xinxiang453100,HenanProvince,ChinaABSTRACTObjectiveToinvestigatethevalueofmagnetinresonancediffusion-weightedimaging(MR-DWI)inthediagnosisofanteriormediastinallymphoma.MethodsThepatientswithanteriormediastinallymphomadiagnosedbyclinicalpathologyfromJune2016toDecember2019inourhospitalweresetaslymphomagroup(n=78),andthepatientswithnonlymphomabenignlesionsweresetasnonlymphomagroup(n=75).Magneticresonanceimaging(MRI)andMR-DWIwereperformedinbothgroups.Theapparentdiffusioncoefficient(ADC)measuredbyMR-DWIwasobservedandcomparedbetweenthelymphomagroupandnonlymphomagroup;ROCcurvewasusedtoanalyzethediagnosticvalueofADCobtainedfromMR-DWIinanteriormediastinallymphoma.ResultsADCvalueoflymphomagroupwas(0.76±0.16)×10-3mm2/s,whichwaslowerthanthatofnonlymphomagroup(1.37±0.39)×10-3mm2/s(P<0.05)；ROCcurveanalysisresultsshowedthatAUCofADCindiagnosinganteriormediastinallymphomawas0.877,andthecriticalvaluewas1.05×10-3mm2/s.Thesensitivity(96.2%),specificity(97.3%),accuracy(96.7%),positivepredictivevalue(97.4%),negativepredictivevalue(96.1%),kappavalue(0.935)ofMR-DWIinthediagnosisofanteriormediastinallymphomawerehigherthanthoseofMRI(83.3%,84.0%,83.7%,84.4%,82.9%,0.673)(P<0.05).ConclusionMR-DWIisofgreatvalueinthediagnosisofanteriormediastinallymphomaandcanimproveitsdiagnosticefficacy.Keywords:MR-DWI;AnteriorMediastinalLymphoma;Diagnosis;ApplicationValue发生于前纵隔部位的淋...
