Cumulative incidence of solid and hematological De novo malignancy after liver transplantation in a multicentre cohort

Cristina Lucidi, Marco Biolato, Quirino Lai, Barbara Lattanzi, Ilaria Lenci, Martina Milana, Raffaella Lionetti, Antonio Liguori, Mario Angelico, Giuseppe Tisone, Alfonso Wolfango Avolio, Salvatore Agnes, Massimo Rossi, Antonio Grieco, Manuela Merli
Annals of Hepatology 2021 January 19, : 100309

BACKGROUND: Recent innovations in the field of liver transplantation have led to a wealth of new treatment regimes, with potential impact on the onset ofde novo malignancies (DNM). The aim of this multicenter cohort study was to provide contemporary figures for the cumulative incidences of solid and hematological DNM after liver transplantation.

METHODS: We designed a retrospective cohort study including patients undergoing LT between 2000 and 2015 in three Italian transplant centers. Cumulative incidence was calculated by Kaplan-Meyer analysis.

RESULTS: The study included 789 L T patients with a median follow-up of 81 months (IQR: 38-124). The cumulative incidence of non-cutaneous DNM was 6.2% at 5-years, 11.6% at 10-years and 16.3% at 15-years. Post-Transplant Lymphoproliferative Disorders (PTLD) were demonstrated to have a cumulative incidence of 1.0% at 5-years, 1.6% at 10-years and 2.2% at 15-years. Solid Organ Tumors (SOT) demonstrated higher cumulative incidences - 5.3% at 5-years, 10.3% at 10-years and 14.4% at 15-years. The most frequently observed classifications of SOT were lung (rate 1.0% at 5-years, 2.5% at 10-years) and head & neck tumors (rate 1.3% at 5-years, 1.9% at 10-years).

CONCLUSIONS: Lung tumors and head & neck tumors are the most frequently observed SOT after LT.

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