Resection Prolongs Overall Survival for Nonmetastatic Midgut Small Bowel Neuroendocrine Tumors

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Abstract

Objectives: This study aimed to understand if resection (RS) for nonmetastatic small bowel neuroendocrine tumors (SBNETs) prolongs 5-year overall survival. Methods: Patients from National Cancer Data Base with primary histologically confirmed SBNETs from 2007 to 2016 were included. Patients younger than 18 years, with the disease in the duodenum/Meckel diverticulum or metastatic disease were excluded. We assessed 5-year survival rates using Kaplan-Meier curves and multivariate Cox proportional hazards regression after RS, nonresection surgical management (NRS), or no resection (NR). Multivariate models were adjusted with age, sex, race, insurance, Charlson-Deyo comorbidity score, academic facility, primary tumor location, clinical T, clinical N, stage, and grade. Results: We identified 4180 patients. On average, patients were 64 years old (standard deviation, 12 years), male (53%), and White (84%). The majority received RS (91.8%) as opposed to NRS (4.0%) or NR (4.2%). Patients who received RS versus NR had increased survival rates (84.2% vs 73.9%; univariate log-rank, P < 0.0001; multivariate hazard ratio, 0.73; 95% confidence interval, 0.53–0.99; P = 0.04). No statistical difference in survival was observed for NRS versus NR. Conclusions: To our knowledge, this is the first national study to evaluate survival after RS for nonmetastatic SBNETs. Results suggest that RS of SBNETs may prolong 5-year survival.

Original languageEnglish
Pages (from-to)171-176
Number of pages6
JournalPancreas
Volume51
Issue number2
DOIs
StatePublished - 1 Feb 2022

Keywords

  • National Cancer Data Base
  • neuroendocrine tumors
  • resection
  • small bowel

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