Exploring the application of different MRI contrast agents in predicting microvascular invasion of hepatocellular carcinoma
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    Abstract:

    Objective:This study aims to explore the difference between hepatic-specific contrast agent(Gd-EOB-DTPA) and conventional contrast agent(Gd-DTPA) in predicting microvascular invasion(MVI) of hepatocellular carcinoma(HCC) based on MR imaging features. Methods:A retrospective analysis of 253 patients with HCC who underwent surgical treatment from January 2010 to January 2019(121 cases in Gd-DTPA group and 132 cases in Gd-EOB-DTPA group) were carried out. The preoperative MR imaging features were evaluated,and MVI-prediction models were established through multi-factor logistic regression. Effectiveness and differences of the models were assessed with receiver operating characteristic curves and clinical decision curves. A postoperative survival analysis was also conducted. Results: Lesion size, border invasion in both Gd-DTPA and Gd-EOB-DTPA group, and satellite lesions in Gd-EOB-DTPA group, are independent risk factors for predicting MVI. The area under the curve(AUC) of two models were AUCGD-DTPA:0.761 and AUCGD-EOB-DTPA:0.791, respectively. The clinical decision curve shows that Gd-DTPA and Gd-EOB-DTPA have similar clinical benefits in predicting MVI. Survival analysis illustrated that there were significant difference on the average disease-free survival time between the MVI-positive group and the MVI-negative group not only confirmed by histopathology but also predicted by the models. Conclusion:Lesion size,border invasion and satellite lesions are independent risk factors for predicting MVI. The application of Gd-EOB-DTPA could not obtain more clinical benefits than Gd-DTPA in predicting MVI,but Gd-EOB-DTPA has a higher sensitivity.

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徐 迅,孙书文,刘秋萍,刘希胜.不同MRI对比剂在预测肝细胞癌微血管侵犯中的应用探究[J].南京医科大学学报(自然科学版英文版),2022,42(1):96-102.

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  • Received:May 08,2021
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  • Online: January 27,2022
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