Childhood brain tumors are named based on the type of cell they formed in and where the tumor first formed in the brain. There are 6 different types of CNS embryonal tumors:
Medulloblastomas are fast-growing tumors that form in brain cells in the cerebellum. The cerebellum is at the lower back part of the brain between the cerebrum and the brain stem. The cerebellum controls movement, balance, and posture. Sometimes medulloblastoma spreads to the bone, bone marrow, lymph nodes, liver, or lung.
Pineoblastoma is a fast-growing tumor that forms in brain cells in or near the pineal gland. The pineal gland is a tiny organ in the brain that makes melatonin, a substance that helps control our sleep cycle.
Pineal parenchymal tumors
Pineal parenchymal tumors form in pineocytes, a type of cell in the pineal gland. These tumors may be slow- or fast-growing.
Supratentorial primitive neuroectodermal tumors
Supratentorial primitive neuroectodermal tumors are fast-growing tumors that form in brain cells in the cerebrum. The cerebrum is at the top of the head and is the largest part of the brain. The cerebrum controls thinking, learning, problem-solving, emotions, speech, reading, writing, and voluntary movement.
Medulloepitheliomas are fast-growing tumors that form in brain cells that line tubelike spaces in the brain and spinal cord. These rare tumors are most common in infants and young children.
Ependymoblastomas are fast-growing tumors that form in brain cells lining the fluid -filled spaces in the brain and spinal cord. These rare tumors are most common in infants and young children.
Childhood CNS atypical teratoid/rhabdoid tumor is also a type of embryonal tumor, but it is treated differently than other childhood CNS embryonal tumors.
Certain genetic conditions increase the risk of childhood CNS embryonal tumors.
Read more articles on Central Nervous System Embryonal Tumors
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