Table 2.
Clinical features of cystic precursor lesions of pancreatic cancer
| Feature | IPMN | MCN |
|---|---|---|
| Predominant age | 60–70 years | 40–50 years |
| Sex ratio (female:male) | 2:3 | 20:1 |
| Predominant intrapancreatic localization | Head | Body and/or tail |
| Multifocal growth | Frequently | Rare |
| Communication of the cysts with larger pancreatic ducts | Arises in major or branch ducts | Rare |
| Stroma | Collagen rich | Ovarian type |
| Cyst fluid quality | Mucoid | Mucoid |
| Mucin oozing from papilla | Yes | No |
| Characteristic ERCP finding | Dilated pancreatic duct and filling defects | Displaced or compressed pancreatic duct |
Abbreviations: ERCP, endoscopic retrograde cholangiopancreatography; IPMN, intraductal papillary mucinous neoplasm; MCN, mucinous cystic neoplasm.