Abstract
Objectives
Patients with hepatocellular carcinoma (HCC) receiving different treatments might have specific prognostic factors that can be captured in the hepatobiliary phase (HBP) of gadoxetic acid–enhanced magnetic resonance imaging (GA-MRI). We aimed to identify the clinical findings and HBP features with prognostic value in patients with HCC.
Methods
In this retrospective, single-institution study, we included patients with Barcelona Clinic Liver Cancer very early/early stage HCC who underwent GA-MRI before treatment. After performing propensity score matching, 183 patients received the following treatments: resection, radiofrequency ablation (RFA), and transarterial chemoembolization (TACE) (n = 61 for each). Cox regression models were used to identify clinical factors and HBP features associated with disease-free survival (DFS) and overall survival (OS).
Results
In the resection group, large tumor size was associated with poor DFS (hazard ratio [HR] 4.159 per centimeter; 95% confidence interval [CI], 1.669–10.365) and poor OS (HR 8.498 per centimeter; 95% CI, 1.072–67.338). In the RFA group, satellite nodules on HBP images were associated with poor DFS (HR 5.037; 95% CI, 1.061–23.903) and poor OS (HR 9.398; 95% CI, 1.480–59.668). Peritumoral hypointensity on HBP images was also associated with poor OS (HR 13.062; 95% CI, 1.627–104.840). In addition, serum albumin levels and the prothrombin time-international normalized ratio were associated with DFS and/or OS. Finally, in the TACE group, no variables were associated with DFS/OS.
Conclusions
Different HBP features and clinical factors were associated with DFS/OS among patients with HCC receiving different treatments.
Key Points
• In patients who underwent resection for HCC, a large tumor size on HBP images was associated with poor disease-free survival and overall survival.
• In the RFA group, satellite nodules and peritumoral hypointensity on HBP images, along with decreased serum albumin levels and PT-INR, were associated with poor disease-free survival and/or overall survival.
• In the TACE group, no clinical or HBP imaging features were associated with disease-free survival or overall survival.
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Abbreviations
- AFP:
-
Alpha-fetoprotein
- BCLC:
-
Barcelona Clinic Liver Cancer
- GA-MRI:
-
Gadoxetic acid–enhanced magnetic resonance imaging
- HBP:
-
Hepatobiliary phase
- HCC:
-
Hepatocellular carcinoma
- MVI:
-
Microvascular invasion
- PT-INR:
-
Prothrombin time-international normalized ratio
- RFA:
-
Radiofrequency ablation
- TACE:
-
Transarterial chemoembolization
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The scientific guarantor of this publication is Joon Koo Han.
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This retrospective study was approved by our Institutional Review Board, and patient informed consent was waived.
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Institutional Review Board approval was obtained (IRB No. 1901-036-1001).
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• retrospective
• cross-sectional study
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Bae, J.S., Kim, J.H., Lee, D.H. et al. Hepatobiliary phase of gadoxetic acid–enhanced MRI in patients with HCC: prognostic features before resection, ablation, or TACE. Eur Radiol 31, 3627–3637 (2021). https://doi.org/10.1007/s00330-020-07499-w
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DOI: https://doi.org/10.1007/s00330-020-07499-w