Transplantation · 2021
Postrecurrence Survival After Liver Transplantation for Liver Metastases From Neuroendocrine Tumors.
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Sposito Carlo, Rossi Roberta Elisa, Monteleone Michela, Coppa Jorgelina, Bongini Marco, Milione Massimo, Bhoori Sherrie, Mazzaferro Vincenzo
Аннотация
BACKGROUND: Liver metastases from neuroendocrine tumors (NETs) are an accepted indication for liver transplantation (LT). Despite strict patient selection, post-LT recurrence is observed in 30%-50% of cases. Postrecurrence survival is poorly investigated as well as factors influencing postrecurrence outcomes.
METHODS: Consecutive patients treated at a single institution for post-LT recurrence of NET between January 1, 2004, and December 31, 2018, were included. Baseline patients' characteristics, data on the primary tumor, pretransplant therapies, posttransplant recurrence and treatments, and long-term outcomes were prospectively collected and retrospectively analyzed.
RESULTS: Thirty-two patients presented with post-LT NET recurrence occurring 82.9 mo (interquartile range, 29.4-119.1 mo) from LT, and the most common sites were abdominal lymph nodes (59.4%), peritoneum (6.3%), and lungs (6.3%). Fourteen patients (43.8%) underwent surgery with radical intent. Five- and 10-y survival after recurrence were 76.3% and 45.5%, respectively. Only time from LT to recurrence had a significant impact on postrecurrence survival, being 5-y overall survival 89.5% versus 0% for patients recurring >24 mo after LT versus ≤24 mo, respectively (P = 0.001). Moreover, for patients with Ki-67 monoclonal antibody staining >2% at recurrence, 5 y overall survival was 87.5% versus 0% for those undergoing surgery versus locoregional or systemic treatments (P = 0.011).
CONCLUSIONS: The presented results, although based on a retrospective and relatively small series, show that excellent long-term survival is observed after post-LT NET recurrence, particularly in those patients recurring long after LT (>24 mo). An aggressive surgical treatment might result in a new chance of cure for a selected subgroup of patients.
METHODS: Consecutive patients treated at a single institution for post-LT recurrence of NET between January 1, 2004, and December 31, 2018, were included. Baseline patients' characteristics, data on the primary tumor, pretransplant therapies, posttransplant recurrence and treatments, and long-term outcomes were prospectively collected and retrospectively analyzed.
RESULTS: Thirty-two patients presented with post-LT NET recurrence occurring 82.9 mo (interquartile range, 29.4-119.1 mo) from LT, and the most common sites were abdominal lymph nodes (59.4%), peritoneum (6.3%), and lungs (6.3%). Fourteen patients (43.8%) underwent surgery with radical intent. Five- and 10-y survival after recurrence were 76.3% and 45.5%, respectively. Only time from LT to recurrence had a significant impact on postrecurrence survival, being 5-y overall survival 89.5% versus 0% for patients recurring >24 mo after LT versus ≤24 mo, respectively (P = 0.001). Moreover, for patients with Ki-67 monoclonal antibody staining >2% at recurrence, 5 y overall survival was 87.5% versus 0% for those undergoing surgery versus locoregional or systemic treatments (P = 0.011).
CONCLUSIONS: The presented results, although based on a retrospective and relatively small series, show that excellent long-term survival is observed after post-LT NET recurrence, particularly in those patients recurring long after LT (>24 mo). An aggressive surgical treatment might result in a new chance of cure for a selected subgroup of patients.