肾脏MDCT多期增强扫描对比剂碘浓度对肾透明细胞癌强化的影响.pdf

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1、中国CT和MRI杂志2015午2月第13卷第2期总第64期EffectofIodineCOncentrationofContrastMediaonEnhancementofClearCellRenalCeUCarcinomainMultiphasicContrast—论著enhancedMDCTOftheKidney*【Abs啦吐】ObjeaiveThepurposeofthisstudywastodetemtinetheinfluenceofdiferentconcentrationiodinecontrastmediaonenhancementofclearcellr

2、enalcellcarcinoma(ccRCC)inmultiphasiccontrast—enhancedMDCTofthekidney．Mate~iMs越d肾脏MDCT多期增强methodsWeretrospectivelyreviewedthecontrast-enhancedCTfindingsin49patientswithccRCCsprovenpostoperativepathologyrecord，examinationswereperformedin扫描对比剂碘浓度nmltiplephasesofenhancementwithaMDCTscanner．A

3、ccordingtotheconcentration对肾透明细胞癌强ofiodinecontrastmedia．49patientswererandomizedintotwogroups．GroupAreceived100mLof300mgl／mLandgroupB75niLof370mgl／mL．Attenuationvalues化的影响★weremeasuredatccRCCsandthenormalrenalcortexineachphase(unenhanced，corticomedullary，andnephrographic)．Statisticalanaly

4、siswasperformedforcomparisonofthedegreeofenhancementofccRCCsandtheattenuationdiferencesbeweentumor1．四川省遂宁市中心医院放射影像andrenalcortex．R蠲bInthecorticomedullaryphase．the370mgI／niLconcentration科(四川遂宁629000)showedsignificantlyhighertumorenhancementthan300nlgI／mLin(p<0．()5)，andthere2_JI1：11~医学院附属医院

5、放射科washowevernosignificantdiferenceintheattenuationdiferencesbeweentunlorand(四川南充637000)renalcortex(p>f)．05)．Inthenephrographicphasetherewasnosignificantdiference赵林伟董国礼杨国庆intumorenhancementbetweenthe370mgl／mLand370mgI／mLconcentrations(p>付泉水赵秀华0()5)，andthereYeasasignificantdiferenceintheat

6、tenuationdiferencesbeweentumorandrenalcortex(p<0．o5)．ConduMonGivenequivalentinjectionrate，thehiIgheriodineconcentrationleadstoahighercorticomedullaryphasecontrastenhancementofccRCC【摘要】目的通过肾脏MDCT多期增强扫描，评价不同碘浓度对比剂对肾透明细胞andahighernephrographicphaseattenuationdiferencesbeweentunlorandadjacent

7、癌(c1earcel1rena1c811carciflofia，renalcortexinMDCTofthethekidney，thereforehcilitatevisualizationofccRCCinccRCC)强化的影响。资料与方法回顾分thecorticomedularyphaseandnephrographicphase．析经手术病理证实的49"NccRCCMDCTI~强扫描资料。根据对比剂碘浓度的不同分为吖woolKidney；ClearCellCarcinoma：ContrastMedia；Multidete