Table 3.
Colon Organ Injury Scale1 (Moore et al, 1990)
| Grade | Injury | |
| I | Haematoma | Contusion or haematoma without devascularization |
| Laceration | Partial thickness, no perforation | |
| II | Laceration | < 50% of the circumference |
| III | Laceration | ≥ 50% of the circumference without transection |
| IV | Laceration | Transection of the colon |
| V | Laceration | Transection of the colon with segmental tissue loss |
| Vascular | Devascularised segment |
1Advance one grade for multiple injuries of the same organ.