The cause of astrocytomas is not known.
Children may have difficulty walking, weakness, vision changes, vomiting, and headaches.
Diagnosis usually involves an imaging test and a biopsy.
Treatment options include surgery, chemotherapy, and radiation therapy.

Astrocytomas are the most common brain tumors in children, accounting for up to 40%. These tumors are usually diagnosed between ages 5 years and 9 years.