Table 1.
Nine patients undergoing posterior occipitocervical fusion with template-guided placement of C2 laminar screws
| Cases | Sex | Ages (years) | Diagnosis | Operative procedure | Follow-up (myelopathic symptoms) | Placement accuracy (postoperative CT) |
|---|---|---|---|---|---|---|
| 1 | F | 42 | BI (OA, C2–3) | C0–2 | Improved | No bony breach |
| 2 | F | 38 | BI (OA) | C0–2 | No change | No bony breach |
| 3 | M | 17 | BI (OA, C2–3) | C0–2a | Improved | No bony breach |
| 4 | F | 29 | BI (OA) | C0–2 | Improved | No bony breach |
| 5 | M | 43 | BI (OA) | C0–2 | Improved | No bony breach |
| 6 | M | 35 | BI (C2–3) | C0–2 | Improved | No bony breach |
| 7 | F | 53 | BI (OA, C2–3) | C0–2 | No change | No bony breach |
| 8 | F | 34 | BI (OA, C2–3) | C0–2 | Improved | No bony breach |
| 9 | M | 27 | BI (OA, C2–3) | C0–2 | Improved | No bony breach |
BI basilar invagination, C0–2 posterior occipital-C2 fixation, OA occipitalization of the atlas, C2–3 C2–3 vertebral fusion
aUnilateral laminar screw fixation and other side of pedicle screw fixation