Brain Stem Intraparenchymal Clear Cell Meningioma

**Semantic type:** Neoplastic Process

**Definition:** A morphologic variant of meningioma arising from the brain stem. It is characterized by the presence of clear glycogen-rich polygonal cells.

**Synonyms:** - Brainstem Intraparenchymal Clear Cell Meningioma - Intraparenchymal Clear Cell Meningioma of Brainstem - Intraparenchymal Clear Cell Meningioma of the Brainstem