NCIt synonyms : WHO Grade I Meningioma; WHO Grade 1 Meningioma;
NCIt related terms : Grade I Meningioma;
NCIt definition : A benign meningioma which may recur in approximately 7-20% of the cases. This category
includes the angiomatous meningioma, fibrous meningioma, lymphoplasmacyte-rich meningioma,
meningothelial meningioma, metaplastic meningioma, microcystic meningioma, psammomatous
meningioma, secretory meningioma, and transitional meningioma.;