Choroid Plexus Papilloma

**Semantic type:** Neoplastic Process

**Definition:** A benign, slow growing tumor which may cause symptoms by blocking cerebrospinal fluid pathways. It is characterized by the presence of delicate fibrovascular connective tissue fronds covered by a single layer of epithelial cells. Mitotic activity is extremely low. Surgical resection is usually curative. (Adapted from WHO)

**Synonyms:** - Choroid plexus papilloma, NOS - PAPILLOMA, CHOROID PLEXUS, BENIGN - Papilloma of Choroid Plexus - Papilloma of Choroid Plexus - Papilloma of the Choroid Plexus - Papilloma of the Choroid Plexus