Table 3 Distribution of locations*
Anterior | Inferior | Posterior | Superior | |
|---|---|---|---|---|
Primary (N = 25) | 19 (76) | 17 (68) | 15 (60) | 0 |
Secondary (N = 23) | 11 (48) | 15 (65) | 15 (65) | 1 (4) |
- postoperative (N = 9) | 6 (67) | 5 (56) | 6 (67) | 0 |
- postinflammatory (N = 5) | 3 (60) | 4 (80) | 3 (60) | 0 |
- postirradiatory (N = 7) | 2 (29) | 5 (71) | 5 (71) | 0 |
- posttraumatic (N = 2) | 0 | 1 (50) | 1 (50) | 1 (50) |