Pediatric primary brain and CNS tumors: Distribution by tumor type

CNS: central nervous system; NOS: not otherwise specified; ATRT: atypical teratoid rhabdoid tumor; PNET: primitive neuroectodermal tumor; CBTRUS: Central Brain Tumor Registry of the United States; NPCR: National Program of Cancer Registries; SEER: Surveillance, Epidemiology, and End Results Program.
* All or some of this histology are included in the CBTRUS definition of gliomas, including ICD-O-3 histology codes 9380-9384, 9391-9460.
¶ Includes oligodendrogliomas and anaplastic oligodendrogliomas.
Δ Includes diffuse astrocytoma, anaplastic astrocytoma, unique astrocytoma variants.
◊ Includes choroid plexus tumors, other neuroepithelial tumors, tumors of the pineal region, other tumors of cranial and spinal nerves, mesenchymal tumors, primary melanocytic lesions, other neoplasms related to the meninges, other hematopoietic neoplasms, hemangioma, neoplasm unspecified, all other.
§ ICD-O-3 histology
 codes: 9470/3, 9471/3, 9472/3, 9474/3.
¥ ICD-O-3 histology code: 9508/3.
‡ ICD-O-3 histology code: 9473/3.
† ICD-O-3 histology codes: 8963/3, 9364/3, 9480/0, 9480/3, 9490/0, 9490/3, 9500/3, 9501/3, 9502/3.