1.中山大学附属第一医院放射介入科,广东 广州 510080
2.广州医科大学附属中医医院医学影像科,广东 广州 510130
3.中山大学附属第一医院放射科,广东 广州 510080
徐海,医师,研究方向:影像技术应用,E-mail:xh_xz@163.com
收稿:2021-06-18,
纸质出版:2021-09-20
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徐海,梁晓韵,王杨迪等.肝细胞癌患者肿瘤内脂肪含量与病理分级的相关性[J].中山大学学报(医学科学版),2021,42(05):778-782.
XU Hai,LIANG Xiao yun,WANG Yang-di,et al.Correlation between Intratumoral Fat Content and Pathological Grade of Hepatocellular Carcinoma[J].Journal of Sun Yat-sen University(Medical Sciences),2021,42(05):778-782.
徐海,梁晓韵,王杨迪等.肝细胞癌患者肿瘤内脂肪含量与病理分级的相关性[J].中山大学学报(医学科学版),2021,42(05):778-782. DOI: 10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2021.0517.
XU Hai,LIANG Xiao yun,WANG Yang-di,et al.Correlation between Intratumoral Fat Content and Pathological Grade of Hepatocellular Carcinoma[J].Journal of Sun Yat-sen University(Medical Sciences),2021,42(05):778-782. DOI: 10.13471/j.cnki.j.sun.yat-sen.univ(med.sci).2021.0517.
目的
2
比较不同病理分级HCC肿瘤内脂肪含量差异,并分析肿瘤脂肪含量在预测HCC病理分级中的潜在价值。
方法
2
回顾性分析行MRI Dixon检查且经病理证实的96例 HCC,按照 Edmondson-Steiner 病理分级法将其分为非低分化组和低分化组。2名观察者分别测量两组病灶内的脂肪体积分数(FVF),比较两组间FVF的差异,并分析肿瘤FVF在预测HCC病理分级中的潜在意义。
结果
2
2 名检测者测得病灶FVF结果一致性良好(ICC
>
0.75)。非低分化组HCC FVF值[15.75(12.37~21.32)]高于低分化组[13.45(8.48~21.10),
Z
=-1.972,
P
=0.049],FVF鉴别HCC病理分级的AUC值为0.645,当FVF大于等于15.4时,其诊断为高分化的HCC的敏感性为53%,特异性为77%。
结论
2
MRI Dixon能够全面准确评估HCC肿瘤内FVF,HCC肿瘤内FVF有助于术前评估HCC的病理分级。
Objective
2
To compare the difference of fat content in HCC tumors with different pathological grades, and to analyze the potential value of fat content in predicting the pathological grades of HCC.
Methods
2
Totally 96 patients with HCC who underwent MRI Dixon examination and were pathologically confirmed in the First Affiliated Hospital of Sun Yat-sen University between January 2009 and July 2017 were retrospectively analyzed. They were divided into non-poorly differentiated group and poorly differentiated group according to Edmondson-Steiner pathological grading. Two observers measured the fat volume fraction (FVF) in the lesions of the two groups. The difference of FVF between the two groups was compared. The potential value of tumor FVF in predicting the pathological grade of HCC was analyzed.
Results
2
The results of FVF between 2 observers were consistent (ICC
>
0.75). The FVF value in the non-poorly differentiated HCC group [15.75 (12.37~21.32)] was higher than that in the poorly differentiated HCC group[13.45, (8.48~21.10),
Z
=-1.972,
P
=0.049]. The AUC value of FVF in differentiating the pathological grade of HCC was 0.645. When the FVF was greater than or equal to 15.4, the sensitivity and specificity for the diagnosis of non-poorly differentiated HCC was 53% and 77%, respectively.
Conclusion
2
The examination of MRI Dixon can comprehensively and accurately evaluate the FVF in HCC tumors, and the FVF in HCC tumors is helpful for the preoperative evaluation of the pathological grade of HCC.
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