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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Intraductal papillary mucinous neoplasm

Introduction

Synonyms and keywords: Grandfather tumor

Overview

Overview

Intraductal papillary mucinous neoplasm is most common in men in their 7th decade. Clinical symptoms are similar to chronic pancreatitis. The main duct type is more likely to be malignant when compared to the branch duct type.

Diagnosis

Diagnosis

The imaging findings are

  • Duct dilatation
    • Main duct or side branch
    • Diffuse or focal (cystic appearing)
  • Pancreatic glandular atrophy
  • Calcification
  • Bulging duodenal papilla (diagnostic of IPMN on ERCP)
References

References

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]