Characteristics | PDAC(n = 28) | PNEC(n = 14) | P values |
---|---|---|---|
Age(years) | 62.6 ± 9.7 (42–75) | 56.4 ± 11.6 (25–71) | < 0.05 |
Gender | 0.31 | ||
Male | 17 (60.7%) | 11 (78.6%) | |
Female | 11 (39.3%) | 3 (21.4%) | |
Size(cm) | 3.56 ± 1.45 | 5.10 ± 4.42 | 0.09 |
Location | 0.18 | ||
Head or neck | 19 (67.9%) | 6 (42.9%) | |
Body or tail | 9 (22.1%) | 8 (57.1%) | |
Margin | 0.04 | ||
Well-defined | 7 (25.0%) | 8 (57.1%) | |
Indistinct | 21 (75.0%) | 6 (42.9%) | |
CT attenuation value(HU) | |||
Un-enhanced phase | 33.8 ± 4.76 | 37.8 ± 5.86 | 0.23 |
Arterial phase | 44.2 ± 8.56 | 64.6 ± 10.37 | < 0.01 |
Portal phase | 52.3 ± 7.49 | 64.9 ± 11.06 | 0.01 |
Parenchymal atrophy | 19 (67.9%) | 4 (28.6%) | 0.02 |
Pancreatic duct dilatation | 16 (71.4%) | 7 (50.0%) | 0.19 |
Positive lymph nodes or local invasion | 14 (50.0%) | 3 (21.4%) | 0.10 |