·30.脉狭窄的价值比较[J].临床医学,2019,39(8):72-73.[6]陶莎,孔小权.流人翻转恢复非对比剂增强肾动脉MRA的临床应用[J].吉林医药学院学报,2020,23(5):288-290.[7]苏文婷,徐敬慈,饶敏,等.非对比增强与对比增强MRA在肾动脉成像的对照研究[J].中国医学计算机成像杂志,2020,26(1):45-50.[8]高玉萍.IFIR-FIESTA序列非对比增强肾动脉磁共振血管成像应用价值研究[J].中国医学创新,2022,19(2):·临床研究·[摘要]目的回顾性分析Gd-BOPTA在环状强化型肝转移瘤诊断中的磁共振成像特点。方法分别选取经Gd-BOPTA诊断的14例、经Gd-DTPA诊断的12例肝转移瘤患者作为实验组及对照组。对2组诊断符合率及MRI强化表现进行对比分析。结果2组诊断符合率差异无统计学意义(P>0.05)。实验组HBP病灶中央对比剂填充率为93%。2组间各期相病灶锐度评分无显著差异性(P>0.05),实验组内病灶锐度评分HBP与其他期相均有显著差异(P<0.05);2组间各期信号强度平均值差异有统计学意义(P<0.05)。结论Gd-BOPT能提高诊断符合率,但与Gd-DTPA无显著差异性。HBP瘤体中央对比剂填充的表现虽然比例较高,但尚不能作为诊断肝转移瘤的特异性征象。【关键词]肝转移瘤,磁共振成像,钇贝葡胺[中图分类号]]R735.7[文献标志码]AAnalysisontheapplicationofModixinthediagnosisoflivermetastasesZHANGTianfu,XIABiao,WUHailu,PEIXiaolei,LIXuena,WANGXi(DepartmentofMedicalImaging,KunmingYan'anHospitalChenggongHospital/ChenggongDistrictPeople'sHospital,KunmingYunnan650500,China)Abstract:ObjectiveToretrospectivelyanalyzethemagneticresonanceimagingcharacteristicsofGd-BOPTAinthediagnosisofring-enhancedlivermetastases.Methods14casesdiagnosedaslivermetastasesbyGd-BOPTAand12casesdiagnosedaslivermetastasesbyGd-DTPAwereselectedasexperimentalgroupandcontrolgrouprespectively.ThediagnosticcoincidencerateandMRIenhancementexpressionofthetwogroupswerecomparedandanalyzed.ResultsTherewasnosignificantdifferenceinthediagnosticcoincidenceratebetweenthetwogroups(P>0.05).Intheexperimentalgroup,thecontrastagentfillingrateinthecentralareaofthelesionsinHBPwas93%.Therewasnosignificantdifferenceinthesharpnessscoreofthelesionsineachphasebetweenthetwogroups(P>0.05).ThesharpnessscoreofthelesionsintheHBPoftheexperimental...