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Revista Española de Enfermedades Digestivas

versión impresa ISSN 1130-0108


MARTINEZ ARES, D. et al. Liver transplantation in patients with hepatocellular carcinoma: factors implicated in tumor relapse. Rev. esp. enferm. dig. [online]. 2004, vol.96, n.1, pp.22-31. ISSN 1130-0108.

Introduction: liver segmental resection and liver transplantation are both treatments intended for healing liver cancer. An adequate selection of patients eligible for transplantation is crucial, since organs available for transplants are usually scarce. For this reason, awareness of the prognostic factors of relapse is of great importance. We present a comprehensive review of our series in order to better understand these prognostic factors. Material and methods: we revised the cases of patients with hepatocellular carcinoma who underwent liver transplantation during the period 1994-2000, and present a detailed analysis of a series of variables which may be probably implicated in the appear-ance of relapse and which have an effect on survival. Results: after a mean follow-up of 33 months, the mortality rate was 27.5% and relapse occurred in 18.75% of cases. No history of alcohol abuse, the number and size of the nodules, the presence of macro and microscopic vascular invasion, and pTNM stage T4 were all factors associated with a significantly increased risk of relapse (p<0.05). These factors and positive HCV were associated to decreased survival. After a multivariate analysis, the size of the nodules and the presence of macroscopic vascular invasion were considered the only independent risk factors for tumor relapse and post-transplantation relapse and mortality, respectively. Conclusions: macroscopic vascular invasion and tumor nodules larger than 5 cm are both independent risk factors of tumor relapse after transplantation. Nevertheless, only macroscopic vascular invasion seems to have a significant effect on survival.

Palabras clave : Hepatocellular carcinoma; Liver transplantation; Prognostic factors; Tumor relapse; Survival.

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