Recurrent childhood brain stem glioma is a tumor that has recurred (come back) after it has been treated. If childhood brain stem glioma recurs, it may do so many years after initial treatment. The tumor may come back in the brain or in other parts of the central nervous system.

Glossary Terms

A tumor located in the part of the brain that connects to the spinal cord (the brain stem). It may grow rapidly or slowly, depending on the grade of the tumor.

CNS. The brain and spinal cord. Also called CNS.

Cancer that has recurred (come back), usually after a period of time during which the cancer could not be detected. The cancer may come back to the same place as the original (primary) tumor or to another place in the body. Also called recurrence.

An abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Tumors may be benign (not cancerous), or malignant (cancerous). Also called neoplasm.