Table 6 Histopathological details
Histology | Overall (n = 54) | Non-invasive IPMNa (n = 24) | Invasive IPMNa (n = 30) | Two-sided p-value |
|---|---|---|---|---|
Grade of dysplasia | ||||
Low grade | 3 (6 %) | 3 (13 %) | 0 | 0.06 |
Intermediatea | 11 (20) | 11 (46 %) | 0 | <0.001 |
High grade | 21 (29 %) | 0 | 21 (70 %) | <0.001 |
Mixed | 19 (35 %) | 10 (42 %) | 9 (30 %) | 0.54 |
Histopathological cyst size | ||||
<3 cm | 24 (48 %) | 11 (48 %) | 13 (48 %) | 0.91 |
>3 cm | 26 (48 %) | 12 (50 %) | 14 (47 %) | 0.81 |
Not available | 4 (7 %) | 1 (4 %) | 3 (10 %) | 0.47 |
R0 | 36 (67 %) | 17 (71 %) | 19 (63 %) | 0.80 |
R1 | 18 (33 %) | 7 (29 %) | 11 (37 %) | 0.68 |
Obstruction of the pancreatic duct | 13 (24 %) | 0 | 13 (43 %) | 0.003 |
Concrements | 2 (4 %) | 0 | 2 (7 %) | 0.21 |
Calcifications | 8 (15 %) | 3 (13 %) | 5 (17 %) | 0.71 |
Pancreatitis | 30 (66 %) | 14 (58 %) | 16 (53 %) | 0-85 |