Chordoid Glioma of the Third Ventricle

**Semantic type:** Neoplastic Process

**Definition:** A rare, slow growing glial tumor located in the third ventricle of adults. It is characterized histologically by clusters and cords of epithelioid, GFAP expressing tumor cells within a stroma with varying amounts of mucin, which typically contains a lymphoplasmacytic infiltrate. (Adapted from WHO.)

**Synonyms:** - Chordoid Glioma of 3rd Ventricle - Chordoid Glioma of Third Ventricle - Chordoid Glioma of the 3rd Ventricle - Third Ventricle Chordoid Glioma