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The histological subtypes of meningiomas.
| Histological subtypes | |
|---|---|
| Benign meningioma (WHO grade 1) |
Meningothelial, fibrous or fibroblastic, transitional or mixed, psammomatous, angiomatous, microcystic, secretory, lymphoplasmacyte-rich, and metaplastic meningioma |
|
| |
| Atypical meningioma (WHO grade 2) |
Chordoid, clear cell, atypical, and brain invasive meningioma |
|
| |
| Anaplastic meningioma (WHO grade 3) |
Papillary, rhabdoid, and anaplastic or malignant meningioma |
