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Meningioma subtypes
| Histological type | Histological malignancy grade |
|---|---|
| Meningothelial meningioma | 1/2 |
| Fibrous meningioma | 1/2 |
| Transitional meningioma | 1/2 |
| Psammomatous meningioma | 1/2 |
| Angiomatous meningioma | 1/2 |
| Microcystic meningioma | 1/2 |
| Secretory meningioma | 1/2 |
| Lymphoplasmacyte-rich meningioma | 1/2 |
| Atypical meningioma (including brain infiltrative meningiomas) | 2 |
| Chordoid meningioma | 2 |
| Clear cell meningioma | 2 |
| Anaplastic (malignant) meningioma | 3 |
