what is jpa cancer
Juvenile pilocytic astrocytoma (JPA) is a rare childhood brain tumor. In most cases, the tumor is a benign, slow growing tumor that usually does not spread to surrounding brain tissue.Symptoms of a JPA will vary depending upon the size and location of the tumor.PAs are the most common cerebellar tumor in children. Astrocytomas as a whole are the most common brain tumor of childhood accounting for more than half of all primary childhood tumors of the central nervous system. The incidence rate is estimated at 14 new cases per million in children younger than 15 years of age.