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The MRI characteristics of 28 head and neck osteosarcomas
| Location | Soft tissue component | T1WI | T2WI | Magnetic resonance contrast- enhancement patterns | |||||
|---|---|---|---|---|---|---|---|---|---|
| Present | Absent | Low | Heterogeneous | High | Heterogeneous | Heterogeneous | Homogeneous | Peripheral | |
| Maxilla | 9 | 1 | 5 | 5 | 3 | 7 | 9 | 0 | 1 |
| Mandible | 6 | 0 | 1 | 5 | 1 | 5 | 2 | 1 | 2 |
| Skull base | 6 | 0 | 3 | 3 | 3 | 3 | 2 | 1 | 3 |
| Calvarium | 5 | 0 | 2 | 3 | 3 | 2 | 1 | 1 | 3 |
| Paranasal sinuses | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 |
| Total | 27 | 1 | 12 | 16 | 10 | 18 | 15 | 3 | 10 |
T1 WI, T1 weighted imaging; T2WI, T2 weighted imaging.
