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What are the most common brain tumors in infants?
Although pediatric brain tumors are generally more likely to occur within the posterior fossa, in infants 2 years old or younger, the most common individual tumors are supratentorial. These include teratoma, astrocytoma (e.g., glioblastoma multiforme [GBM]), choroid plexus papilloma and carcinoma (in the lateral ventricles), and primitive neuroectodermal tumor (PNET).
major posterior fossa tumors in children
Most pediatric brain tumors are infratentorial. These include pilocytic astrocytoma, fibrillary astrocytoma, medulloblastoma (a PNET), and ependymoma. Medulloblastoma is the most common of these.
