label: Benign Optic Nerve Teratoid Medulloepithelioma
label_lc: benign optic nerve teratoid medulloepithelioma
description: A rare benign embryonal neoplasm that arises from primitive medullary epithelium and affects the optic nerve. It contains heterologous elements, particularly cartilage, skeletal muscle, and brain tissue, and usually occurs in boys.