Table 2.
Type A: Stable fractures (sacroiliac complex is intact) | |
---|---|
A1 | Avulsion fractures |
A2 | Wing of ilium fractures |
A3 | Sacorcoccyx transverse fractures |
| |
Type B: partially stable fractures (partial disruption of the posterior sacroiliac complex) | |
| |
B1 | Open book lesion |
B2 | Lateral compression lesion |
B3 | Bilateral compression lesion |
| |
Type C: unstable fractures (complete disruption of the posterior sacroiliac complex) | |
| |
C1 | Unilateral lesion |
C2 | Bilateral lesion (one side B, one side C) |
C3 | Bilateral lesion (both sides C) |