Table 1

Clinical and pathological features of patients with IPMN and co-occurring carcinoma

CarcinomaTotal cases
(adj-IPMN/dist-IPMN)
GenderAgeLocation
carcinoma/adj-IPMN
Location
dist-IPMN
CancerIPMN
TNGradeSize (cm)GradeTypeSubtype
Ductal adenocarcinoma56
(53/42)
M 63.6% (35)70.2Head62.5% (35)36% (20)T110.7% (6)N030.4% (17)13.6% (2)2.9LGD19.6% (11)BD57.4% (27)Gastric61.8% (34)
F 36.4% (21)(+/–10.8)Neck8.9% (5)28% (15)T239.3% (22)N169.6% (39)262.5% (35)(+/-2.5)HGD80.4% (45)MD29.8% (14)Intestinal7.2% (4)
Body7.1% (4)20% (11)T346.4% (26)326.8% (15)Mixed12.8% (6)Pancreatobiliary23.6% (13)
Tail14.3% (8)12% (6)T43.6% (2)43.6% (2)Oncocytic7.2% (4)
Multifocal5.3% (3)
Colloid carcinoma13
(11/9)
M 76.9% (10)62.5Head92.3% (12)50% (6)T153.8% (7)N092.3% (12)161.5% (8)4.9LGD0% (0)BD7.7% (1)Gastric0% (0)
F 23.1% (3)(+/– 11.9)Neck0% (0)16.7% (2)T223.1% (3)N17.7% (1)238.5% (5)(+/-1.94)HGD100% (13)MD69.2% (9)Intestinal100% (13)
Body7.7% (1)16.7% (2)T323.1% (3)30% (0)Mixed23.1% (3)Pancreatobiliary0% (0)
Tail0% (0)16.7% (2)T40% (0)40% (0)Oncocytic0% (0)
Multifocal0% (0)
Carcinoma of the ampullary region7
(6/5)
M 42.8% (3)74.1Head100% (7)100% (5)T10% (0)N00% (0)10% (0)1.1LGD71.4% (5)BD71.4% (5)Gastric85.7% (6)
F 57.2% (4)(+/– 8.5)Neck0% (0)0% (0)T20% (0)N1100% (7)257.1% (8)(+/-0.19)HGD28.6% (2)MD14.3% (1)Intestinal0% (0)
Body0% (0)0% (0)T371.4% (5)342.8% (6)Mixed14.3% (1)Pancreatobiliary14.3% (1)
Tail0% (0)0% (0)T428.8% (2)40% (0)Oncocytic0% (0)
Multifocal0% (0)0% (0)
Significance*nsnsnsns<0.001<0.001<0.001<0.001<0.0010.009<0.001
  • *Tests were performed via ANOVA test for continuous variables or Fisher-Exact test for categorical variables.

  • ANOVA, analysis of variance; BD, branch duct; HGD, high grade dysplasia; IPMN, intraductal papillary mucinous neoplasm; LGD, low grade dysplasia; MD, main duct.