Neoplasia in the pediatric age range is not common. Childhood malignancies are rare, but those that occur often have the appearance of primitive "small round blue cell tumors" such as the neuroblastoma seen here. These pediatric malignancies may include:
Childhood MalignancyLocation
Leukemia / lymphomaBlood, marrow, lymph nodes
NeuroblastomaAdrenal, extra-adrenal ganglia
Wilms tumorKidney
Ewing sarcomaBone