·161CHINESEJOURNALOFCTANDMRI,FEB.2023,Vol.21,No.02TotalNo.160【第一作者】张庭庭,女,主治医师,主要研究方向:四肢关节影像。E-mail:95403140@qq.com【通讯作者】刘广保,男,副主任医师,主要研究方向:骨关节影像。E-mail:122090443@qq.com论著AnalysisoftheValueofCTThree-DimensionalReconstructionandThin-SliceScanningCombinedwithMRIApparentDiffusionCoefficientintheQuantitativeDiagnosisofbenignandMalignantSpinalFractures*ZHANGTing-ting1,BAIMan-mo2,JISi-xuan1,CHENMing-wei1,LIUGuang-bao1,*.1.Medicalimagingdepartment,SanyaHospitaloftraditionalChinesemedicine,Sanya572000,HainanProvince,China2.DepartmentofOrthopedicsandTraumatologyofTraditionalChineseMedicine,Sanya572000,HainanProvince,ChinaABSTRACTObjectiveToinvestigatethevalueofCTthree-dimensionalreconstructionandthin-slicescanningcombinedwiththeapparentdiffusioncoefficientofmagneticresonanceinthequantitativediagnosisofbenignandmalignantspinalfractures.MethodsTheclinicaldataof85patientswithspinefractureswereselectedforretrospectiveanalysis.TheselectiontimewasfromMay2018toJune2020.Atotalof50casesofbenignspinefracturesand35casesofmalignantspinefractureswerepathologicallydiagnosed.CTandmagneticResonanceexamination,comparingpositiveandnegativepredictivevalues,analyzingtheimagingcharacteristicsofbenignandmalignantspinefractures,comparingtheADCvalueofbenignandmalignant,evaluatingCTplainscan,CTthree-dimensionalreconstructionandthin-slicescan,magneticresonance,twocombineddiagnosisofbenignandmalignantspineTheAUCvalue,sensitivity,specificityandYoudenindexoffracture.ResultsThepositivepredictivevalueof85patientswithspinalfracturesafterCTplainscanwas73.47%,andthenegativepredictivevaluewas61.11%;thepositivepredictivevalueafterCTthree-dimensionalreconstructionandthin-slicescanwas81.63%,andthenegativepredictivevaluewas72.22%.Afterthemagneticresonancetest,thepositivepredictivevaluewas90.00%,andthenegativepredictivevaluewas85.71%;afterthetwocombinedtests,thepositivepredictivevaluewas96.00%andthenegativepredictivevaluewas94.23%.CTimagingfeatur...