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It begins in different cells in the cerebellum, which controls body movement and coordination.

MEDULLOBLASTOMA is a type of brain tumor. It most commonly forms in the cerebellum, the bottom part of the brain located at the back of the skull that controls body movement and coordination. MEDULLOBLASTOMA is known as an embryonal neuroepithelial tumor because it forms in fetal cells that remain after birth.

MEDULLOBLASTOMAS are very fast-growing. They often spread to other areas of the Central Nervous System (CNS) through Cerebrospinal Fluid (CSF). Rarely, they can spread outside the CNS to the bones or the lymphatic system.

MEDULLOBLASTOMA can occur in both children and adults, but is more common in children. In adults, it typically affects younger adults between 20 and 40 years of age. MEDULLOBLASTOMAS occur more often in males than females and they are most common in white and hispanic people.

Children with MEDULLOBLASTOMA may experience the following symptoms or signs:

*Morning vomiting that worsens over time.
*Problems with handwriting and other motor skills that worsen over time.
*Problems with vision or an eye turning inwards.

-If the tumor spreads to the spinal cord, it may cause the following symptoms:

*Back pain.
*Inability to control the bowels and bladder.
*Difficulty walking.

The cause of most MEDULLOBLASTOMAS is not known. There’s a small percent of childhood MEDULLOBLASTOMAS that are related to gene changes that can be passed down through families.

If you are concerned about any changes your child experiences, the Institute of Interventional Oncology (IDOI México) recommends you to talk with your doctor to help you figure out the cause of the problem.