Number | Thoracic/Lumbar | Type of Pedicle (Type A/B/C/D) | Location in Curve | Pedicle Breach (Lateral/Medial) | Revised/Redirected | IONM/Neurological Change |
1 | Thoracic (T5) | B | Concave | Lateral | Yes | No |
2 | Lumbar (L5) | A | Concave | Lateral | Yes | No |
3 | Thoracic (T7) | B | Concave | Lateral | Yes | No |
4 | Thoracic (T10) | B | Concave | Lateral | Yes | No |
5 | Lumbar (L3) | A | Concave | Lateral | No | No |
6 | Thoracic (T10) | A | Concave | Medial | Yes | No |
7 | Lumbar (L2) | B | Concave | Lateral | Yes | No |
8 | Thoracic (T9) | B | Concave | Medial | Yes | No |
9 | Thoracic (T9) | B | Concave | Medial | Yes | No |
10 | Thoracic (T10) | B | Concave | Medial | Yes | No |
Abbreviation: IONM, intraoperative neuromonitoring.