May also be called: Medulloblastoma; Posterior Fossa PNET; Supratentorial
Primitive neuroectodermal (PRIM-ih-tiv nur-oh-ek-tuh-DERM-ul) tumors, or PNETs,
are tumors that can happen anywhere
in the brain. These tumors
can spread to the fluid that surrounds the brain and spinal cord.
More to Know
Primitive neuroectodermal tumors develop from immature nerve cells in the brain.
These primitive cells are often cancerous,
and can start to grow out of control.