磁共振动态增强联合磁共振弥散加权成像对肝占位性病变的诊断价值

打开文本图片集

关键词：磁共振动态增强；磁共振弥散加权成像；肝占位性病变；表观弥散系数；速率常数 中图分类号：R445.2；R735.7 文献标识码：A DOI：10.3969/j.issn.1006-1959.2025.17.021

文章编号：1006-1959（2025）17-0126-04

Diagnostic Value of Dynamic Contrast Enhanced Magnetic Resonance Imaging Combined with Diffusion Weighted Imaging in Hepatic Space-occupying Lesions

HE Lin1， ZHAO Yuting²

（Imaginget，tilUodo，ftlespialui）

Abstract：ObjectieTeloeagosicalufaicotasteacedmgeticesoaceagingDCE）oedifuo weightedmagingDipaticsacoccunglsiseodsotalofatitsitaticaceinsiosdiAnu CountyPeoplesspitalfroDecembertoecember3ereletedcludng4patintsiteniglsiosnd3ti malignantlesiosCE-MandDWwerepefoedintuepparentdiusioncoefent（ADC）ndatecostant（Kep）aluesofpatints withbenigndantsiseoaredainghsulsfalatolosoldaardtagoicac DWIandthideetioogdaligantepaticsacupssalyddgostcce hepaticspaceocpinglsiosasountedResultseDCvalueofpatientsitaliganthaticspaceoccupyinglsiosaerthan thatofpatientsiepaticsaeupigsiosdteKepuasrnatfpatitsienepaticsauing lesions（ P<0.05） .ThesensitivityspecificityandacuracyofDCE-MRIombnedwithDWinhediagnosisofbengnandmalignanthepaticspace occupying lesions were higher than those of single detection（ P<0.05） .The diagnostic accuracy of DCE-MRI combined with DWI for different hepatic space-occupying lesions was higher than that of single detection P<0.05） .Conclusion DCE-MRI combined with DWI has high diagnostic value in the detection of hepatic space-occupying lesions.

Keywords：Daicontrasteancedmagneticesoanceimaging;Difusionweightedimaging;Hepaticsaceupnglsiosart dispersioncoefficient;Rateconstant

肝占位性病变（hepatic space-occupying le-sions）为肝胆外科常见疾病，可分为良性病变与恶性病变，前者包括肝局灶性结节性增生（focalnodularhyperplasia，FNH）、肝囊肿（hepaticcyst，HC）、肝硬化结节（cirrhoticnodules）等，后者则以原发性肝癌（primaryhepaticcarcinoma）等最为常见，其早期症状类似，多伴有腹痛、腹胀、恶心等表现，但治疗方案各异，因此，尽早明确肝占位性病变的疾病类型，是决定其后续诊治方案的重要基础，对患者预后结局的改善具有较大意义[2]。（剩余5158字）