期刊
EJSO
卷 40, 期 11, 页码 1564-1571出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ejso.2014.06.004
关键词
Neuroendocrine tumor; Pancreatic surgery; Liver metastases; Prognostic factor; Survival
Background: The outcomes of pancreatic neuroendocrine tumors are extremely diverse, and determining the best strategy, optimal timing of therapy and the therapeutic results depend on understanding prognostic factors. We determined the clinical, radiological and histological factors associated with survival and tumor recurrence for patients with pancreatic neuroendocrine tumor. Methods: From January 1, 1991 to December 31, 2011, 127 patients with pancreatic neuroendocrine tumor underwent pancreatectomy. The variables including clinical characteristics, surgical data and pathological findings were examined by univariate and multivariate analyses. Results: There were 103 patients with non-functional tumors (81%). Sixty-four patients (50%) underwent left pancreatectomy, 51(42%) patients underwent pancreatico-duodenectomy, 12 (9%) patients underwent enucleation and 2 patients (1%) underwent central pancreatectomy. Forty-eight patients (38%) had synchronous liver metastases. Six patients (5%) required portal vein resection, and 19 (15%) patients required enlarged en-bloc resection of adjacent organs. The overall morbidity and mortality rates were 48% and 2.3%, respectively. The 1-, 3- and 5-year overall survival rates were 94%, 84%, and 74%, respectively. In multivariate analyses, synchronous liver metastases (p = 0.02) and portal vein resection (p < 0.01) were independent prognostic factors of survival. Conclusions: Synchronous liver metastases and portal vein resection were found to be independent factors influencing survival. (C) 2014 Elsevier Ltd. All rights reserved.
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