A serum TNFR2-based model effectively predicates preoperative microvascular invasion and stratifies the tumor recurrence risk in hepatocellular carcinoma

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Abstract

Aim Microvascular invasion (MVI) is a key risk factor for hepatocellular carcinoma (HCC) recurrence. There is a lack of methods to diagnose MVI preoperatively. The objective of this study was to develop a model for preoperative prediction of MVI in HCC. Method The training cohort data were obtained from our previous study. One hundred and fourteen liver transplant patients with HCC were enrolled for validation. The serum level of soluble tumor necrosis factor receptor-2 (sTNFR2) was detected by ELISA. The Kaplan-Meier method was used for survival analysis. The multivariate logistic regression analysis was used to identify independent predictors of MVI, and a nomogram was constructed for visualization. Result The recipients with MVI had significantly poorer outcomes than those without MVI both in the training cohort (n = 83, P < 0.001) and the validation cohort (P < 0.001). The inflammatory profiling from the training cohort data indicated that the serum level of B-cell activating factor (P = 0.014) and sTNFR2 (P = 0.013) significantly elevated, and the serum level of osteocalcin (P = 0.002) decreased in patients with MVI. Multivariate logistic analysis showed that the Milan criteria and the serum sTNFR2 were independent predictors for the presence of MVI, and a nomogram was constructed. The nomogram demonstrated an area under the receiver operating characteristic curve (AUROC) of 0.821 for MVI and distinct stratification for tumor recurrence (P < 0.001). Furthermore, the data in the validation cohort revealed an acceptable discriminative ability of confirmed MVI (AUROC = 0.702) and a notable discriminating capability for tumor recurrence (P = 0.043). Conclusion The non-invasive model based on sTNFR2 could effectively predict preoperative MVI in HCC. And the nomogram could discriminate the tumor recurrence risk for HCC.

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