磁共振全身扩散加权成像技术在恶性肿瘤中的应用.pdf

中国CT和MRI杂志2010年4月第8卷第2期总第31期

Theapplicationofwhole-bodymagnetic
论著resonancediffusion-weightedimaginginthe
malignanttumor

CHENGGuo-ying,LIUChang-zhu.DepartmentofRadiology,BeijingNO.6Hospital,
磁共振全身扩散加Beijing,100007,China
权成像技术在恶性[Abstract]ObjectiveToevaluatethewhole-bodymagneticresonancediffusion-
weightedimaging(WB-DWI)inthemalignanttumoroftheapplication.Methods20
肿瘤中的应用healthyindividualsand70casesofmalignanttumorpatientswerescannedbyWB-DWI
.In70casesofmalignanttumorpatients,34caseswerebreastcancerpatients,,inwhich
1caseforthepreoperativeexaminationandtheremainingpatientswerereviewedcases;
北京市第六医院放射科
bloodsystemdiseasesin13cases,threecasesofmyeloidleukemia,fivecasesofnon-
程国英刘长柱Hodgkin'slymphoma,multiplemyeloma5cases;8casesofovariancancer;4casesof
endometrialcancer;lungcancer,colorectalcancer,gastriccancerin3caseseach;prostate
cancer,esophagusin1case.1caseofnon-Hodgkin'slymphomahadbeendonefor2WB-
【摘要】目的评价全身磁共振扩DWIexaminations.Theprimarytumorwereconfirmedbyhistopathology,thediagnosis
散加权成像（whole-bodymagneticofmetastatictumorhistopathologicalfindingsandavarietyofintegratedimagingexami-
resonancediffusion-weighted
imaging，WB-DWI）在恶性肿瘤疾病nationmaybe.OfWB-DWIimages,conventionalMRimagesandCTimagesoftheframe
中的应用价值。方法20例健康体检lineframewerecompared.Apparentdiffusioncoefficient(ADC)valuesofnormallymph
者及70例恶性肿瘤患者行WB-DWI检nodesandmalignantlymphnodesweremeasuredandanalyzedstatistically.Results
查。70例患者中乳癌34例，1例为
术前检查，其余均为术后复查病例；WB-DWIdetectedbenignlesionsin5casesofhealthyindividuals,70casesofmalignant
血液系统疾病13例，粒细胞性白血tumorpatients,excluding37caseswithoutmetastasisandthreecasesofsystemicdiffuse
病3例，非何杰金氏淋巴瘤5例，多proliferationofbonemarrowislimited,the30casesofWB-DWIwerefoundinabnormal
发性骨髓瘤5例；卵巢癌8例；子宫
signalotherthantheprimarytumor136,inwhichtruepositive,false-positive,respec-
内膜癌4例；肺癌、大肠癌、胃癌各
3例；前列腺癌、食道癌各1例。其tively118and18,false-negative15,thedetectionratewas86.8%(118/136).Chi-square
中1例非何杰金氏淋巴瘤做了2次testADCvaluesofnormallymphnodesandmalignantlymphnodes,thereweresignifi-
WB-DWI检查。原发灶皆