Table 1.
Pathological features of resected non-invasive intraductal papillary mucinous neoplasms (IPMN) in 192 patients
| Path | n = 192 |
|---|---|
| IPMN type | |
| Low grade (n = 44) | 23% |
| Moderate grade (n = 88) | 46% |
| High grade (n = 60) | 31% |
| Subtype | |
| Branch (n = 94) | 49% |
| Main (n = 47) | 25% |
| Mixed (n = 50) | 26% |
| Epithelium | |
| Gastric (n = 58) | 62% |
| Intestinal (n = 27) | 29% |
| Pancreato/biliary (n = 7) | 7% |
| Oncocytic (n = 2) | 2% |
| Size (mean) | 2.7 cm (±2.3) |
| Evidence of pancreatitis (n = 88) | 47% |
| Fibrosis (n = 26) | 14% |
| PanIN in the gland | |
| None (n = 113) | 61% |
| 1 (n = 28) | 15% |
| 2 (n = 37) | 20% |
| 3 (n = 8) | 4% |