Table 2.
The MRI findings of 27 patients with angiomatous meningioma
| MRI findings | No. | % |
|---|---|---|
| Tumor diameter (cm) | ||
| ≤3 | 6 | 22.2% |
| 3-5 | 13 | 48.1% |
| 5-7 | 7 | 25.9% |
| ≥7 | 1 | 3.7% |
| Tumor location | ||
| Convexity | 18 | 66.7% |
| Sphenoidal crest | 4 | 14.8% |
| Saddle area | 2 | 7.4% |
| Petroclival | 1 | 3.7% |
| Cerebellopontine angle area | 1 | 3.7% |
| Tentorium of cerebellum | 1 | 3.7% |
| Tumor shape | ||
| Oval | 22 | 81.5% |
| Nodular lobulated | 1 | 3.7% |
| Irregular | 4 | 14.8% |
| Signal voids of vessel | 27 | 100% |
| Tumor enhancement | ||
| Homogeneous | 23 | 85.2% |
| Heterogeneous | 4 | 14.8% |
| Obvious meningeal tail sign | 18 | 66.7% |