Table 3 Details of the three patients with two ipsilateral thoracolumbar hemivertebra in revision surgery
Case | Age/Sex | Abnormality | Segment scoliosis (1st pre-,post-OP 2nd pre-,post-OP at final follow up) | Segment kyphosis (1st pre-,post-OP 2nd pre-,post-OP at final follow up) | Revision reason | Initial surgery | Duration time (mo) | Revision surgery | Final F/U (mo) |
|---|---|---|---|---|---|---|---|---|---|
1 | 4/F | T10,12 HV (FS) | 91.0°-36.0° 51.4°-30.0° 27.4° | 50.0°-3.0° 7.1°-10.0° 4.0° | Residual scoliosis progression in proximal region; incomplete resection of T10 HV | T10,12 HV resection T8-L2 convex fusion | 33 | T10 radical resection with T8-L2 fusion | 69 |
2 | 7/F | T11,L1 HV (FS); L4 HV (SS) | 93.3°-41.0° 57.3°-13.7° 15.3° | 77.6°-13.0° 36.0°-18.0° 20.2° | Residual scoliosis progression, PJK and L2 pedicle screw plowed; too short fusion level and T11 incomplete resection | T11,L1 HV resection T10-L2 convex fusion | 38 | L2 Y-Shape osteotomy with T8-L5 fusion | 67 |
3 | 13/M | T11 BF and wedge vertebra L1/2 HV (FS) | 73.6°-17.9° 43.2°-17.6° 15.7° | 41.8°-8.5° 55.4°-12.7° 13.1° | Residual scoliosis progression and PJK;T11 asymmetric growth | L1/2 HV resection T11-L4 fusion | 28 | T11 PSO with T8-L5 fusion | 69 |