Clinical data for 6 adult spinal deformity patients treated with FMS fixation during revision spine surgery.
| Case | Age (y), Gender | Diagnosis | Levels Fused | FMS Levels | Indication for FMS Placement | Complications | Follow-Up (y) |
| 1 | 29, M | Juvenile onset scoliosis, sagittal imbalance | T2-L4 | T12, L2 | Pedicular dysplasia, pedicle compromise from prior instrumentation | None | 2.4 |
| 2 | 66, M | Adult spinal deformity, osteomyelitis, fusion mass fracture at T6 and T7 | T3-S1 | T8, T10 | Assist in closure of 3-column osteotomy | Pneumothorax | 1.7 |
| 3 | 58, F | Adolescent idiopathic scoliosis, fusion mass fracture at T11, sagittal imbalance | C2-pelvis | T9, T10, T11 | Fusion mass fracture, assist in closure of 3-column osteotomy | None | 2.1 |
| 4 | 57, F | T12 burst fracture and T12 paraparesis, charcot arthropathy at L3-L4 and L4-L5 | T9-Pelvis | T12, L1 | Augment fixation at prior corpectomy site | Anaphylaxis, FMS low-grade breach into spinal canal at T12 (Figure 2) | 1.4 |
| 5 | 57, F | Adolescent idiopathic scoliosis, pseudarthrosis at L3-L4, distal junctional failure at L4-S1. | T1-Pelvis | L2, L5 | Augment pedicle screw fixation | None | 2.3 |
| 6 | 28, F | Juvenile onset scoliosis, neurofibromatosis-1, pseudarthrosis at T12-L1 | T6-L4 | T9, T10, T11, T12 | Pedicular dysplasia | Dural tear | 3.1 |
Abbreviation: FMS, fusion mass screw.