Table 3.
Endoscopic ultrasound features of cystic lesions among the mucinous cystic lesions group, n = 40
Type of mucinous cyst, n (%) | MCN | 1 (2.5) |
IPMN | 39 (97.5) | |
Type of IPMN, n (%) | MD-IPMN | 2 (5.1) |
BD-IPMN | 35 (89.8) | |
MT-IPMN | 2 (5.1) | |
Number of cysts, n (%) | Single | 16 (40.0) |
Multiple | 24 (60.0) | |
Main cyst size in mm, mean ± SD | 28.1 ± 14.4 | |
Main cyst size in mm, median (IQR) | 21.5 (16.3-40.5) | |
Septa, n (%) | Absent | 10 (25.0) |
Present | 30 (75.0) | |
Mural nodules, n (%) | Absent | 36 (90.0) |
Present | 4 (10.0) | |
Wall thickening, n (%) | Absent | 37 (92.5) |
Present | 3 (7.5) | |
MPD caliber, n (%) | Normal | 34 (85.0) |
Dilated | 6 (15.0) |
BD-IPMN: Branch-duct IPMN; IPMN: Intraductal papillary mucinous neoplasm; IQR: Interquartile range; MCN: Mucinous cystic neoplasm; MD-IPMN: Main-duct IPMN; MPD: Main pancreatic duct; MT-IPMN: Mixed type.