| Diagnosis | n = 49 | % |
| Choledocholithiasis | 31 | 63.3 |
| Acalculous bile duct | 13 | 26.5 |
| Malignant biliar duct stenosis | 4 | 8.2 |
| Juxtapapillary diverticulum | 3 | 6.1 |
| Mirizzi | 1 | 2 |
| Acute papillitis | 1 | 2 |