Abnormal serum pancreatic enzymes, but not pancreatitis, are associated with an increased risk of malignancy in patients with intraductal papillary mucinous neoplasms.
Roch AM, Parikh JA, Al-Haddad MA, DeWitt JM, Ceppa EP, House MG, Nakeeb A, Schmidt CM. Abnormal serum pancreatic enzymes, but not pancreatitis, are associated with an increased risk of malignancy in patients with intraductal papillary mucinous neoplasms. Surgery. 2014 Oct; 156(4):923-9.