Abstract
Background: We aimed to evaluate the incidence, mortality and survival outcome for patients with pancreatic neuroendocrine neoplasms (pNEN). Methods: Patients with pNEN were collected from the Surveillance, Epidemiology, and End Results (SEER)database. Incidence, mortality and average annual percentage change (AAPC) were calculated using SEER stat 8.3.6 and Joinpoint software. Survival outcome was estimated using Kaplan-Meier and Cox proportional hazard model. Results: During 2000-2016, the incidence of pNEN significantly rose from 0.2647 to 1.0618 per 100,000 persons with an AAPC of 9.4; AAPC of mortality was 6.7. Prognostic improvement was revealed in 2010-2016, but not for late-stage pNEN, which hadthe highest risk ofdeath. Conclusion: Efforts to improve prognosis of pNEN patients must focus on not only early detection, but also onimproving therapy forlate-stage disease.
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