CT of Primary Cystic Pancreatic Neoplasms

Authors:
  • JEJohn Eng
    John Eng
  • KHKaren M. Horton
    Karen M. Horton
  • BUBruce Urban
    Bruce Urban
  • SSStanley Siegelman
    Stanley Siegelman
  • BKBrian S. Kuszyk
    Brian S. Kuszyk
  • EFElliot K. Fishman
    Elliot K. Fishman
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Abstract
OBJECTIVE. The purpose of this study was to determine whether CT can be used to distinguish serous cystadenomas from mucinous cystadenomas or cystadenocarcinomas of the pancreas and play an enhanced role in patient triage and treatment.MATERIALS AND METHODS. A blinded retrospective analysis of CT scans from 50 patients with pathologically proven primary cystic pancreatic neoplasms was performed independently by three radiologists. Using classic CT criteria as reported in the literature, each tumor was categorized as definitely serous, mucinous, or indeterminate. Tumor location, size, presence of calcification, and size of largest cyst were recorded. Data for each reviewer were analyzed independently. Consensus data were then subjected to multivariate logistic regression analysis.RESULTS. The ability of our reviewers to diagnose serous neoplasms ranged from 23% to 41%. Eight mucinous neoplasms were mistaken for serous tumors by two of the three reviewers. When consensus between at least two of the three re...

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