Table 4 MRCP findings between AIP and PDAC
MRCP findings | AIP (N = 12) | k | PDAC (N = 30) | k | P value |
|---|---|---|---|---|---|
CBD | 0.867 | 0.795 | 0.570 | ||
Normal | 6 | 13 | |||
Stricture | 4 | 7 | |||
Complete obstruction | 2 | 10 | |||
CBD skipped strictures | 1 | 1 | 0 | 1 | 0.286 |
MPD | 0.871 | 0.927 | 0.001 | ||
Normal | 0 | 4 | |||
Stricture | 6 | 1 | |||
Complete obstruction | 3 | 21 | |||
Not visible | 3 | 4 | |||
MPD skipped strictures | 3 | 0.750 | 0 | 1 | 0.019 |
Side branch dilation | 1 | 1 | 17 | 0.733 | 0.004 |
Penetrating duct sign | 2 | 1 | 0 | 1 | 0.077 |
Maximum upstream MPD diameter (mm)* | 1.9 ± 0.7 (1.2–3.5) | – | 5.1 ± 2.4 (1.0–9.6) | – | < 0.001 |