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Original article
“Long-term follow-up of liver transplantation in incidental intrahepatic cholangiocarcinoma and mixed hepatocellular-cholangiocarcinoma”
“Seguimiento a largo plazo del trasplante hepático en el colangiocarcinoma y hepatocolangiocarcinoma mixto incidentales”
Virginia Garcia-Moreno, Iago Justo-Alonso, Clara Fernandez-Fernandez, Cristina Rivas-Duarte, Beatriz Aranda-Romero, Carmelo Loinaz-Segurola, Carlos Jimenez-Romero, Óscar Caso-Maestro
Corresponding author
oscar.casomaes@salud.madrid.org

Corresponding author at: Unit of HPB Surgery and Abdominal Organ Transplantation. “Doce de Octubre” University Hospital, 4ª Planta. Ctra Andalucía Km 5,4, 28041 Madrid. Spain.
Unit of HPB Surgery and Abdominal Organ Transplantation. “Doce de Octubre” University Hospital, Madrid, Spain
Received 15 September 2022. Accepted 21 February 2023
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Table 1. Patient demographics and tumor pathological characteristics, for the iCCA vs HCC-CC groups.
Table 2. Patient demographics and tumor pathological characteristics, comparing Early vs Advanced groups.
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Abstract
Introduction

The standard treatment for intrahepatic cholangiocarcinoma (iCCA) and mixed hepatocellular-cholangiocarcinoma (HCC-CC) is surgical resection, nevertheless, recent studies show adequate survival rates in selected patients with iCCA or HCC-CC undergoing liver transplantation (LT).

Methods

A retrospective cohort study was design including all patients undergoing LT at our center between January, 2006 and December, 2019 with incidentally diagnosed iCCA or HCC-CC after pathological examination of the explanted liver (n = 13).

Results

There were no iCCA or HCC-CC recurrences during the follow-up, and hence, there were no tumor related deaths. Global and disease-free survival were the same. The 1, 3 and 5-years patient survival were 92.3%, 76.9% and 76.9%, respectively. Survival rates in the “early-stage tumor group” at 1, 3 and 5 years were 100%, 83.3% and 83.3%, respectively, with no significant differences as compared to the “advanced-stage tumors group”. No statistically significant differences in terms of 5-year survival were found when comparing tumor histology (85.7% for iCCA and 66.7% for HCC-CC).

Conclusions

These results suggest that LT could be an option in patients with chronic liver disease who develop an iCCA or HCC-CC, even in highly selected advanced tumors, but we must be cautious when analyzing these results because of the small sample size of the series and its retrospective nature.

Keywords:
Liver transplantation
Intrahepatic cholangiocarcinoma
Hepatocellular-cholangiocarcinoma
Resumen
Introducción

El tratamiento de elección del colangiocarcinoma intrahepático (iCCA) y el hepato-colangiocarcinoma mixto (HCC-CC) es la resección quirúrgica, sin embargo, estudios recientes han demostrado buenos resultados en pacientes seleccionados sometidos a un trasplante hepático (TH).

Métodos

Estudio retrospectivo de una cohorte formada por todos los pacientes que recibieron un TH en nuestro centro entre Enero 2006 y Diciembre 2019 con hallazgo incidental de un iCCA o un HCC-CC durante el estudio histopatológico después del trasplante (n = 13).

Resultados

Después de una mediana de seguimiento de 65 meses no hubo ninguna recurrencia tumoral, por lo que la supervivencia global y libre de enfermedad fueron iguales. La supervivencia a 1, 3 y 5 años de la muestra fue del 92.3%, 76.9% y 76.9%, respectivamente. La supervivencia de los pacientes con un ‘early stage’ a 1, 3 y 5 años fue del 100%, 83.3% y 83.3%, respectivamente; sin encontrar diferencias estadísticamente significativas al compararla con la de los pacientes con un ‘advanced stage’. Aunque la supervivencia de los pacientes con iCCA fue mayor que la de los pacientes con HCC-CC (85.7% vs. 66.7% a 5 años, respectivamente), las diferencias no fueron estadísticamente significativas.

Conclusiones

El TH podría ser una opción de tratamiento en pacientes con enfermedad hepática terminal que desarrollan un iCCA o un HCC-CC, incluso en estadios avanzados seleccionados, pero estos resultados deben ser analizado con precaución dada la naturaleza retrospectiva del estudio y el escaso tamaño muestral.

Palabras clave:
Trasplante hepático
Colangiocarcinoma intrahepático
Hepatocolangiocarcinoma mixto

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