Title

Risk of Primary Neuroendocrine Pancreatic Tumor after a First Primary Cancer: A US Population-Based Study

Publication Date

2019

Journal Title

Pancreas

Abstract

© Copyright 2018 Wolters Kluwer Health, Inc. All rights reserved. Objective This study aimed to describe the relative and excess risk of pancreatic neuroendocrine tumor (NET) at least 6 months after the first primary cancer (FPC) among the US population. Methods Surveillance, Epidemiology, and End-Results Program data were analyzed for patients diagnosed as having FPC from 2000 to 2015 (n = 4,008,092). Standardized incidence ratios, excess risk, and average time to diagnosis of a second primary pancreatic NET were reported by FPC site, stratified by sex and receipt of radiotherapy and chemotherapy. Results Risk of pancreatic NET was significantly higher after FPC at any site, any solid tumor (standardized incidence ratios, 1.3; 95% confidence interval, 1.2-1.5), pancreas, thymus, small intestine, liver, stomach, kidney, lung, and female breast. Excess incidence of pancreatic NET was highest among those with FPC (especially NET) of the pancreas, bladder, thymus, and female breast; those who received radiotherapy/chemotherapy for bladder, melanoma, and stomach cancers; and those who received chemotherapy for uterine, cervical, prostate, and other genital cancers. Time to diagnosis was shortest after pancreatic, liver, lung, and stomach cancer. Conclusions Cancer survivors have increased risk and excess incidence of primary pancreatic NET compared with the population, particularly for certain primary sites. High-risk patients should receive regular follow-up screenings, counseling to reduce carcinogen exposure, and lifestyle interventions.

Volume Number

48

Issue Number

2

Pages

161 - 168

Document Type

Article

Status

Faculty

Facility

School of Medicine

Primary Department

Occupational Medicine, Epidemiology and Prevention

PMID

30589832

DOI

10.1097/MPA.0000000000001232

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