Table 3: Features of PDAC identified on imaging studies and
their discrepancies.
Modality |
Pancreatic mass |
Pancreatic ductal dilation |
Perivascular soft tissue involvement1 |
Peripancreatic soft tissue involvement2 |
Omental lesions/ascites |
Liver metastasis |
Retroperitoneal/Peripancreatic LN |
Total3 |
Non-contrast CT |
5/5 (100) |
4/3 (75) |
3/0 (0) |
8/0 (0) |
3/0 (0 |
1/0 (0) |
2/1 (50) |
26/9 (34.6) |
Contrast CT |
14/10(71.4) |
16/13 (81.3) |
13/12 (92.3) |
12/8 (66.7) |
1/1 (100) |
1/0 (0) |
2/0 (0) |
59/44(74.6) |
Numbers within cells denote the
total number of features/discrepancies (% discrepant). P-values reflect
significant differences between non-contrast and contrast CT for the column. 1
- p=0.005, 2 - p=0.007, 3 - p=0.001.