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General characteristics of five children with osteosarcoma
| NO. | Sex | Age (years) | MRI type | Pathological fracture | Follow‐up duration (months) | Comparison of limb length | Flexion of affected knee (0) | Relapse | Metastasis | Death | Other |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Female | 9 | I | No | 126 | 2 cm shorter | 110 | No | No | No | Fracture |
| 2 | Female | 14 | II | No | 89 | Equal length | 135 | No | No | No | No |
| 3 | Female | 6 | II | No | 66 | 2 cm shorter | 90 | No | No | No | No |
| 4 | Male | 9 | I | No | 60 | 1 cm shorter | 135 | No | No | No | Fracture |
| 5 | Female | 8 | I | Yes | 69 | 8 cm shorter | 70 | No | No | No | Fracture |
