Standard Treatment The usual treatment is high-dose radiation therapy . Many radiation oncologists also radiate the entire brain and spinal cord because of this tumor's tendency to spread to the rest of the central nervous system through the cerebrospinal fluid. Chemotherapy has been used in several clinical trials , especially in younger children. It appears to produce good control and has particular value in younger children to delay or avoid the use of radiation therapy. Carboplatin may be a particularly useful drug.