Grade 3 Meningioma

**Semantic type:** Neoplastic Process

**Definition:** A malignant meningioma with aggressive clinical course. It recurs in approximately 50-78% of the cases. This category includes the anaplastic (malignant) meningioma, papillary meningioma, and rhabdoid meningioma.

**Synonyms:** - Grade III Meningioma - Grade III Meningioma - Grade III Meningioma - Grade III Meningioma - MENINGIOMA, MALIGNANT - Malignant Meningioma - Meningioma, malignant - WHO Grade 3 Meningioma - WHO Grade III Meningioma - Who Grade III Meningioma - malignant meningioma