CT和MRI诊断肝脏原发性透明细胞癌-论文.pdf

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1、生垦学影像蛰术2014年第3o卷第1期ChinJMedImagingTechnol，2014，Vol30，No1·87··◆◆腹部影像学CTandMRIindiagnosisofhepaticprimaryclearcellcarcinomaLIUYong，XUEPeng，XIAOZhi—bo“，CHENYong，ZHANGSi—jia，ZHONGJi—gang(1．DepartmentofMedicalImaging，ZhengzhouPeople'sHospital，Zhengzhou450003，China2．Departmen

2、tofRadiology，theFirstA{{tliatedHospitalofChongqingMedicalUniversity，Chongqing400016，China)[-Abstract~ObjectiveToinvestigateCTandMRIfeaturesofprimaryclearcellcarcinomaofliver(PCCCL)．MethodsCTandMRIfindingsof12patientswithPCCCLprovedbypathologywereanalyzedretrospectively．

3、Tenpatientsunder—wentCT，and8patientsunderwentMRI．Results‘Therewere14nodularorovallesionsin12patients。withdiameterran—gingfrom1．6to9．8cm(mean3．6cm)．A1llesionsshowedlow—densityonplainCT．OnenhancedCT．1esionsin8pa—tientsshowedslightenhancementatarterialphaseandcontinuedtost

4、rengthatportalphase，whilein2patientsshowedun—evensignificantenhancementatarterialphasebutdecreasedatportalphase。andlesionsinall10patientsshowedlowdensi—tyatdelayperiod，andin2patientsshoweddelayedenhancedenvelope．OnMRscan，lesionsin6patientshadmixedhighsignalonT2WI，in1pat

5、ientshowedslightlyhighsignal，whileinanotherpatientshowedslightlylowsigna1．Lesionsin4patientsshowedslightlylowersignal，in2patientsshowedslightlyhighersignal，intherest2patientsshowedequalsignalonT1WI．Thesignalsofalllesionsreducedonanti—phaseT1WI，in4patientsreducedobviousl

6、y．OnDWI，lesionsin6pa—tientsshowedheterogeneoushighsignal，in2patientsshowedequalsigna1．OnenhancedMRI，lesionsin4patientsshowedrelativelyhighsignalwithunevensignificantenhancement，in2patientsshowedmildenhancement，andintherest2pa—tientsshowedring—shapedsignificantenhancemen

7、tatarterialphase．Atportalvenousphase，enhancementreducedin4pa—tients，continuedin2patients，whilecentralfillingenhancementwasobservedintherest2patients．Lesionsin7patientsshowedrelativelylowsignalandin1patientshowedequalsignalatdelayedphase．Ring—likecapsuleenhancementwasfou

8、ndin4patients．ConclusionCTandMRIfindingsofPCCCLhavecertaincharacteristics，whichareeffectivefordiag—nosisofPCCC