Grade 2 Meningioma

**Semantic type:** Neoplastic Process

**Definition:** An atypical meningioma which may recur in approximately 29-40% of the cases. This category includes the atypical meningioma, chordoid meningioma, and clear cell meningioma.

**Synonyms:** - Grade II Meningioma - Grade II Meningioma - WHO Grade 2 Meningioma - WHO Grade II Meningioma