Ependymoma is a type of tumor that arises from ependymal cells, which line the ventricles of the brain and the central canal of the spinal cord. These tumors can occur in both children and adults, but they are more common in children. Ependymomas can block the flow of cerebrospinal fluid, leading to increased pressure in the brain. Treatment for ependymoma typically involves surgery to remove the tumor, followed by radiation therapy to eliminate any remaining cancer cells. The prognosis varies depending on the tumor's location, size, and whether it has spread. Regular follow-up care is essential for monitoring any potential recurrence of the tumor.