Table 2.
Imaging findings
| Imaging | Findings | Number |
| Chest radiography | Water tone opacity | 14 |
| Chest ultrasound | Compressive multivesicular parietal cystic formation | 5 |
| “double line sign” | 1 | |
| Chest and abdominal CT |
Right side | 11 |
| Concomitant hydatid location: | ||
| - pleura | 2 | |
| - lung | 1 | |
| - liver | 1 | |
| Rib involvement | ||
| - 8th | 9 | |
| - 7th | 7 | |
| - 6th | 5 | |
| - 9th | 4 | |
| Multiple | 9 | |
| Bone destruction | 7 | |
| - Cortical rupture | 2 | |
| Soft tissues involvement | 5 | |
| Spinal canal involvement | 6 | |
| MRI | Spinal canal involvement (unseen in CT) | 2 |
| Spinal cord compression | 3 |