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Pancreatic cyst features predict future development of pancreatic cancer: results of a nested case-control study
Fady F Youssef1, Lin Liu1, Wenyi Lin2
1Department of Medicine, Division of Gastroenterology, Jennifer Moreno Veterans Affairs Healthcare System, San Diego, California, USA; Division of Gastroenterology, University of California San Diego, San Diego, California.
Background And Aims:
Risk factors for pancreatic cancer among patients with pancreatic cysts are incompletely characterized. The primary aim of this study was to evaluate risk factors for development of pancreatic cancer among patients with pancreatic cysts.
Methods:
We conducted a retrospective case-control study of U.S. veterans with a suspected diagnosis of branch-duct intraductal papillary mucinous neoplasm from 1999 to 2013.
Results:
Age (hazard ratio [HR], 1.03 per year; 95% confidence interval [CI], 1.00-1.06), larger cyst size at cyst diagnosis (HR, 1.03 per mm; 95% CI, 1.01-1.04), cyst growth rate (HR, 1.22 per mm/y; 95% CI, 1.14-1.31), and pancreatic duct dilation (5-9.9 mm: HR, 3.78; 95% CI, 1.90-7.51; ≥10 mm: HR, 13.57; 95% CI, 5.49-33.53) were found to be significant predictors for pancreatic cancer on multivariable analysis.
Conclusions:
Age, cyst size, cyst growth rate, and high-risk or worrisome features were associated with a higher risk of developing pancreatic cancer. Applying current and developing novel strategies is required to optimize early detection of pancreatic cancer after cyst diagnosis.
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