Characteristics of lesions detected by EUS and by MRI respectively at baseline screening
| n (%) | Mean size of lesions, mm | Location of lesions (n, %) | |||
|---|---|---|---|---|---|
| Head | Body | Tail | |||
| Detected by EUS | 41 | 6.1 | 14 (34) | 18 (44) | 9 (22) |
| Solid | 2 (5) | 9.0 | 1 (50) | 1 (50) | – |
| Cystic | |||||
| ≥10 mm | 6 (15) | 12.7 | 3 (50) | 1 (17) | 2 (33) |
| <10 mm | 20 (49) | 5.2 | 6 (30) | 10 (50) | 4 (20) |
| Any size (total) | 26 (63) | 6.9 | 9 (35) | 11 (42) | 6 (23) |
| Unclear | 8 (20) | 5.1 | 2 (25) | 4 (50) | 2 (25) |
| Duct ectasia | 5 (12) | 2.0 | 2 (40) | 2 (40) | 1 (20) |
| Detected by MRI | 70 | 6.1 | 26 (37) | 24 (34) | 20 (29) |
| Solid | – | – | – | – | – |
| Cystic | |||||
| ≥10 mm | 9 (13) | 16.9 | 6 (67) | 1 (11) | 2 (22) |
| <10 mm | 51 (73) | 4.8 | 17 (33) | 19 (37) | 15 (29) |
| Any size (total) | 60 (86) | 6.6 | 23 (38) | 20 (33) | 17 (28) |
| Unclear | 2 (3) | 7.0 | 2 (100) | – | – |
| Duct ectasia | 8 (11) | 2.3 | 1 (13) | 4 (50) | 3 (38) |
EUS, endoscopic ultrasonography.