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Table 6 Histopathological details

From: Pancreatic resection for intraductal papillary mucinous neoplasm– a thirteen-year single center experience

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
  1. aIPMN intraductal papillary mucinous neoplasm