ON THIS PAGE: You will find out more about the factors that increase the chance of developing ependymoma. To see other pages, use the menu on the side of your screen.
A risk factor is anything that increases a person’s chance of developing cancer. Although risk factors often influence the development of cancer, most do not directly cause cancer. Some people with several risk factors never develop cancer, while others with no known risk factors do.
The causes of childhood ependymoma are unknown. There is little known about the risk factors or ways to prevent the disease.
Rarely, children with neurofibromatosis type 2  (NF2) have an increased risk of developing ependymoma. NF2 is a hereditary syndrome that causes tumors of the central nervous system that are usually noncancerous.
The next section in this guide is Symptoms and Signs  and it explains what body changes or medical problems this disease can cause. Or, use the menu on the side of your screen to choose another section to continue reading this guide.