Malignant Ciliary Body Teratoid Medulloepithelioma

**Semantic type:** Neoplastic Process

**Definition:** A rare malignant embryonal neoplasm typically presenting as a ciliary body mass during childhood. It arises from primitive medullary epithelium and contains heterologous elements, particularly cartilage, skeletal muscle, and brain tissue.

**Synonyms:** - Ciliary Body Malignant Teratoid Medulloepithelioma