NCIt synonyms : Malignant Meningioma; WHO Grade III Meningioma; WHO Grade 3 Meningioma;
NCIt related terms : MENINGIOMA, MALIGNANT; Grade III Meningioma;
NCIt 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.;
Alternative definition : CDISC: A malignant neoplasm of the meninges.; NCI-GLOSS: A rare, fast-growing tumor that forms in one of the inner layers of the
meninges (thin layers of tissue that cover and protect the brain and spinal cord).
Malignant meningioma often spreads to other areas of the body.;