label: Central Nervous System Medulloepithelioma
label_lc: central nervous system medulloepithelioma
description: "A rare, usually aggressive malignant embryonal neoplasm of the central nervous system occurring in children. It is characterized by the presence of neuroepithelial cells which form papillary, trabecular, or tubular structures and absence of C19MC amplification. Symptoms include headache, nausea, and vomiting."