Table 2.
Results
| Case | Age at lengthening nail implantation, yrs | FU, mths | Preoperative LLD, mm | Length gain (transport), mm | LLD at latest FU, mm | Pre-lengthening MSTS score, % | MSTS score at FU, % | Complications (management) |
|---|---|---|---|---|---|---|---|---|
| 1 | 14 | 37 | 15 | 0 (60) | 66 | 40 | 73.3 | Loosening of distal locking screw (revision during docking procedure) |
| 1bis | 17.1 | 22 | 66 | 70 | 4 | 73.3 | 96.6 | NA |
| 2 | 14.2 | 26 | 71 | 75 | 11 | 73.3 | 93.3 | NA |
| 3 | 11.3 | 22 | 145 | 60 | 101 | 50 | 63.3 | NA |
| 3bis | 13.2 | 24 | 101 | 80 | 33 | 63.3 | 70 | NA |
| 4 | 13.4 | 44 | 86 | 60 | 43 | 43.3 | 80 | Loosening of distal locking screw (revision) |
| 5 | 14.2 | 10 | 61 | 60 | 26 | 56.6 | 70 | NA |
| 5bis | 15.1 | 19 | 37 | 30 | 7 | 70 | 83.3 | NA |
| 6 | 19.3 | 48 | 53 | 40 | 16 | 70 | 86.6 | NA |
| 7 | 16.3 | 46 | 36 | 30 (30) | 16 | 16.6 | 70 | NA |
| 8 | 18.9 | 38 | 46 | 40 (20) | 13 | 23.3 | 93.3 | NA |
FU, follow-up; LLD, leg-length discrepancy; MSTS, Musculoskeletal Tumor Society; NA, not applicable