Predictive value of low serum pancreatic enzymes in invasive intraductal papillary mucinous neoplasms |
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Institution: | 1. Department of Radiology, University of Pittsburgh Medical Center and School of Medicine, 200 Lothrop Street, 15213 Pittsburgh, PA, USA;2. Global MR Applications and Workflow, GE Healthcare, Houston, TX, USA |
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Abstract: | BackgroundDespite evidence suggesting a role of chronic pancreatitis in pancreatic carcinogenesis, its relationship with invasive intraductal papillary mucinous neoplasms (IPMN) remains unclear. Low levels of pancreatic enzymes are predictive markers of advanced chronic pancreatitis. We investigated whether low pancreatic enzyme levels were associated with a higher incidence of invasive IPMN.MethodsThis study included 146 consecutive patients who underwent surgical resection of IPMN between April 2001 and October 2014. Multivariable logistic regression analysis was conducted to assess the association between serum pancreatic enzymes and the incidence of invasive IPMN, with adjustment for clinical characteristics including alcohol consumption. The association of serum pancreatic enzymes with pathological pancreatic atrophy and inflammation in areas adjacent to or distant from the tumor was also evaluated.ResultsLow serum levels of pancreatic amylase and lipase were associated with a higher incidence of invasive IPMN (multivariable odds ratio OR] = 9.6, 95% confidence interval CI] = 2.99 to 35.1, P = 0.0001; OR = 14.2, 95% CI = 2.77 to 112, P = 0.001, respectively). Low serum pancreatic amylase and lipase levels were also associated with higher grade pancreatic atrophy in areas adjacent to the tumor (P = 0.011 and P = 0.017, respectively) and in areas distant from the tumor (P = 0.0002 and P = 0.001, respectively). Furthermore, low serum pancreatic amylase and lipase levels were associated with higher grade inflammation in areas distant from the tumor (P < 0.0001 and P = 0.001, respectively).ConclusionsLow serum pancreatic enzymes may be a predictive marker of invasive IPMN. Excessive alcohol consumption did not influence the association of low pancreatic enzyme levels with invasive IPMN. |
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Keywords: | Serum pancreatic enzymes Intraductal papillary mucinous neoplasm Pancreatic atrophy Inflammation ANOVA"} {"#name":"keyword" "$":{"id":"kwrd0035"} "$$":[{"#name":"text" "_":"analysis of variance BMI"} {"#name":"keyword" "$":{"id":"kwrd0045"} "$$":[{"#name":"text" "_":"body mass index CI"} {"#name":"keyword" "$":{"id":"kwrd0055"} "$$":[{"#name":"text" "_":"confidence interval CT"} {"#name":"keyword" "$":{"id":"kwrd0065"} "$$":[{"#name":"text" "_":"computed tomography DM"} {"#name":"keyword" "$":{"id":"kwrd0075"} "$$":[{"#name":"text" "_":"diabetes mellitus ERCP"} {"#name":"keyword" "$":{"id":"kwrd0085"} "$$":[{"#name":"text" "_":"endoscopic retrograde cholangiopancreatography EUS"} {"#name":"keyword" "$":{"id":"kwrd0095"} "$$":[{"#name":"text" "_":"endoscopic ultrasonography IPMN"} {"#name":"keyword" "$":{"id":"kwrd0105"} "$$":[{"#name":"text" "_":"intraductal papillary mucinous neoplasm MRCP"} {"#name":"keyword" "$":{"id":"kwrd0115"} "$$":[{"#name":"text" "_":"magnetic resonance cholangiopancreatography MRI"} {"#name":"keyword" "$":{"id":"kwrd0125"} "$$":[{"#name":"text" "_":"magnetic resonance imaging OR"} {"#name":"keyword" "$":{"id":"kwrd0135"} "$$":[{"#name":"text" "_":"odds ratio |
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