Mucinous lesion in pancreatic duct; malignant potential varies
Expansion
Intraductal Papillary Mucinous Neoplasm
Purpose
Main duct intraductal papillary mucinous neoplasms higher malignancy risk than branch duct
Clinical Context
Intraductal papillary mucinous neoplasm mucin-secreting. Main duct (main duct) greater than 5 millimetres or branch duct (branch duct) greater than 20 millimetres plus features (nodules, enhancing mural) equals malignancy risk.
Related Terms
- Pancreatic cyst
- Mucinous neoplasm
Key Points
- “Intraductal papillary mucinous neoplasm: dilated duct filled with mucin; main duct greater than 5 to 6 millimetres equals higher risk; follow-up imaging or surgery depending on features”