Monarch Disease Ontology entry MONDO_0003931 (childhood optic tract astrocytoma) is an astrocytoma that arises from the visual pathway and occurs during childhood. Also known as: childhood visual pathway astrocytoma, optic tract astrocytoma of childhood, paediatric optic tract astrocytoma, paediatric visual pathway astrocytoma, pediatric optic tract astrocytoma, pediatric visual pathway astrocytoma.