Abstract
Background: Recurrence following liver resection (LR) for hepatocellular carcinoma (HCC) can be as high as 50–70%. While salvage liver transplantation may be feasible, patients may develop a non-transplantable recurrence (NTR) (recurrence beyond Milan criteria). We sought to identify preoperative risk factors to predict NTR after resection. Patients and Methods: Patients who underwent curative-intent LR for HCC were identified from a multi-institutional database. Preoperative factors associated with NTR were identified and a risk score model (NTR score) was developed and validated. Results: Among 1620 patients, 842 (52.0%) developed recurrence; among patients with recurrence, NTR occurred in 341 (40.5%) with a median recurrence-free survival (RFS) of 30 months (24.7–35.3 months). On multivariable analysis, factors associated with NTR included alpha fetoprotein (AFP) > 400 ng/mL [hazard ratio (HR) 1.71, 95% confidence interval (CI) 1.33–2.19], albumin–bilirubin grade (ALBI) (referent low, medium ALBI: HR 1.41, 95% CI 1.10–1.81, high ALBI: HR 2.47, 95% CI 0.91–6.68), and tumor burden score (TBS) (referent low, high TBS: HR 2.55, 95% CI, 1.99–3.28). A simplified TBS-based NTR score was developed using the β-coefficients of each factor (C-index 0.68, 95% CI 0.65–0.71). Higher NTR score was associated with incrementally worse 5-year RFS (low 44.8%, medium 37.5%, high 24.5%) [area under the curve (AUC) 0.59] and increased incidence of NTR (low 13.7%, medium 25.4%, high 38.2%) (AUC 0.65) (both p < 0.001). Moreover, higher NTR score was associated with higher risk of extrahepatic recurrence (low 11.3%, medium 28.8%, high 37.5%) (p < 0.001). Conclusion: NTR following curative-intent resection of HCC occurred in one in five patients. A simple TBS-based NTR score accurately predicted the risk of NTR and may help identify candidates for upfront resection versus transplantation.
| Original language | English |
|---|---|
| Pages (from-to) | 3363-3373 |
| Number of pages | 11 |
| Journal | Annals of Surgical Oncology |
| Volume | 30 |
| Issue number | 6 |
| Early online date | 23 Feb 2023 |
| DOIs | |
| Publication status | Published - Jun 2023 |
| Externally published | Yes |
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