Table 1.
Key clinical and imaging features of common pancreatic cystic lesions.
| Intraductal Papillary Mucinous Neoplasm (IPMN) |
Mucinous Cystic Neoplasm (MCN) | Serous Cystic Adenoma | Pseudocyst | Cystic Pancreatic Neuroendocrine Tumor | Solid Pseudopapillary Neoplasm | |
|---|---|---|---|---|---|---|
| Sex | M or F | F | F | M or F | M or F | F |
| Age | 65 | 40 | 60 | - | 50 | 30 |
| Pancreatic localization | Head | Body/Tail | Throughout | Throughout | Throughout | Body/Tail |
| Typical imaging features | MD-IPMN: Dilated MPD SB IPMN: Dilated side branch or cyst that connects to the MPD |
Unilocular, macrocystic | Microcystic (honeycomb) appearance | Unilocular cyst, sometimes with necrotic debris | Solid cystic lesion, hypervascular | Solid cystic lesion |
| Communication with the MPD | + | − | − | + or − | − | − |
| Solitary/multifocal | Solitary/multifocal | Solitary | Solitary | Solitary | Solitary | Solitary |
| Malignant potential (surgically resected lesions) * | MD/MT IPMN: 36–100% BD IPMN: 11–30% |
10–39% | 0% | 0% | 10% | 10–15% |