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MRI features of 18 cases with AHPC.
| MRI features | No. of patients |
|---|---|
| Position | |
| Frontal falx | 12 |
| Parietal falx | 3 |
| Middle cranial fossa | 2 |
| Cerebellar hemispheres | 1 |
| Shape | |
| Lobulated | 12 |
| Irregular in shape | 5 |
| Oval-shaped | 1 |
| Narrow base connected to dura | 9 |
| T2WI | |
| Mixed high-low signal | 12 |
| Iso-signal | 6 |
| T1WI | |
| Mixed iso-low signal | 11 |
| Iso-mild high-low signal | 1 |
| Iso-signal | 6 |
| Bony destruction | 3 |
| Peritumoral edema | 15 |
MRI, magnetic resonance imaging; AHPC, anaplastic hemangiopericytoma.
