Is neuroblastoma common in teenagers?

No. It is more common in early childhood, but remains a rare tumor. 400-500 cases a year in the U.S.
No. Neroblastoma is primarily a disease of infants and young children. More than 95% of cases are diagnosed by 10 years of age. Unfortunately, older children and teenagers who develop neuroblastoma often have very aggressive, widely spread disease when diagnosed, and cure is very difficult.