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  • Title: Predictors of malignant intraductal papillary mucinous neoplasm of the pancreas.
    Author: Mimura T, Masuda A, Matsumoto I, Shiomi H, Yoshida S, Sugimoto M, Sanuki T, Yoshida M, Fujita T, Kutsumi H, Ku Y, Azuma T.
    Journal: J Clin Gastroenterol; 2010 Oct; 44(9):e224-9. PubMed ID: 20453661.
    Abstract:
    GOALS: The predictors of malignant intraductal papillary mucinous neoplasm (IPMN) and invasive IPMN were investigated in this study to determine the optimal indicators of surgical resection for IPMN. BACKGROUND: Recently, international consensus guidelines have described the standard indicators of resection for IPMN. However, the indicators of surgical resection for IPMN, especially for branch duct IPMN, still remain controversial. STUDY: Eighty-two patients with IPMN who underwent surgical resection during April 1998 to January 2009, were retrospectively reviewed and examined with regard to their preoperative factors and pathologic diagnosis. RESULTS: Multivariate analysis showed that main duct IPMN (P<0.01) and earlier diabetes (P=0.03) were independent predictors of malignant IPMN. In branch duct IPMN, the diameter of the main pancreatic duct (MPD) was found to be significantly associated with malignancy by univariate analysis (P=0.034). An elevated serum CA19-9 level (P<0.01) was an independent predictor of invasive IPMN. CONCLUSIONS: Our observations suggest that main duct IPMN, branch duct IPMN with MPD dilatation, and IPMN with an elevated serum CA19-9 level should be considered as indications for surgical resection.
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