| radiological characteristics | Results (N= 38) |
| abdominal ultrasound | 124 (82%) |
| abdominal CT | 51 (34%) |
| Expansion of the CBD Expansion of intra hepatic duct Dense Material | 102 (68%) 84 (56%) 107 (71%) |
| Evocative image of hepatic hydatid cyst | 151 (100%) |
| Obstacle gallstone + dense material of the CBD | 6 (4%) |
| Pancreatitis | 9 (6%) |