Central Nervous System Epidermoid Cyst

**Semantic type:** Finding

**Definition:** A lesion which is characterized by an irregularly nodular opalescent wall which has caused it to be termed a "pearly tumor". The Intramural contents are soft and waxy with a variable amount of cholesterol.

**Synonyms:** - CNS Epidermoid Cyst - CNS Epidermoid Neoplasm - CNS Epidermoid Tumor - Central Nervous System Epidermoid Neoplasm - Central Nervous System Epidermoid Tumor - Epidermoid Cyst of CNS - Epidermoid Cyst of Central Nervous System - Epidermoid Cyst of the CNS - Epidermoid Cyst of the Central Nervous System - Epidermoid Neoplasm of CNS - Epidermoid Neoplasm of Central Nervous System - Epidermoid Neoplasm of the CNS - Epidermoid Neoplasm of the Central Nervous System - Epidermoid Tumor of CNS - Epidermoid Tumor of Central Nervous System - Epidermoid Tumor of the CNS - Epidermoid Tumor of the Central Nervous System