Journal
CANCER MEDICINE
Volume 12, Issue 3, Pages 2505-2513Publisher
WILEY
DOI: 10.1002/cam4.5094
Keywords
acute pancreatitis; database; pancreas ductal adenocarcinoma; pancreatic neoplasm
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This study investigates the incidence of pancreatic ductal adenocarcinoma (PDAC) in patients with non-biliary and non-alcoholic acute pancreatitis (AP), and compares the rates of early-stage diagnosis and surgical resection between patients with and without AP. The results show that the incidence of PDAC is relatively low, but patients with preceding AP are more likely to undergo surgical resection and have a trend towards earlier diagnosis.
Background and Objectives High mortality in pancreas ductal adenocarcinoma (PDAC) is related to delayed diagnosis and lack of cost-effective early detection strategies. Retrospective studies have demonstrated an association between PDAC and acute pancreatitis (AP). Herein, we explore the incidence of PDAC in patients with non-biliary and non-alcoholic AP. Methods A population-based, retrospective cohort study was conducted utilizing TriNetX (Cambridge, MA). Patients >= 40 years with AP (ICD-10-CM code: K85) and without biliary AP (K85.1), alcohol-induced AP (K85.2) or chronic pancreatitis (K86.0, K86.1), were identified. The primary outcome was incidence of PDAC (C25) in patients at defined intervals following AP. We compared the rate of early-stage diagnosis (stage 1-2) and surgical resection among patients with and without preceding AP. Results The incidence of PDAC ranged from 2.16% (1 year) to 3.43% (5 years). Patients with PDAC and AP in preceding year were more likely to undergo surgical resection relative to those without AP (10.1% vs. 6.3%, risk ratio 1.62: 95% confidence interval, CI 1.47-1.79). Early-stage diagnosis of PDAC was more frequent in patients with preceding AP; however, difference was insignificant (p = 0.48; 95% CI 0.64-2.58). Conclusion AP is infrequently associated with PDAC and can precede a diagnosis of PDAC in a minority of patients without another known etiology of pancreatitis. Patients with a recent AP are more likely to undergo surgical resection of PDAC and a trend toward diagnosis at an earlier stage compared to patients with PDAC and without AP. The impact of AP-related PDAC on survival is unknown.
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