Choroid plexus tumors are a rare type of cancer that occur from the brain tissue called choroid plexus of the brain. These tumors usually occur in children younger than 2 years and are classified according to the WHO classification of the tumors of the central nervous system:
Treatment
In order to remove it completely, surgery may be an option.It relieves the hydrocephalus (excess water in the brain) about half of the time.
Another treatment is chemotherapy, recommended for patients with severe problem.
References
Choroid plexus tumor Wikipedia(Text) CC BY-SA