Central Nervous System Prophylaxis

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** Chemotherapy or radiation therapy given to the central nervous system as a preventive treatment. It kills cancer cells that may be in the brain and spinal cord, even though no cancer has been detected there.

**Synonyms:** - CNS Prophylaxis - CNS prophylaxis - CNS sanctuary therapy - central nervous system prophylaxis - central nervous system sanctuary therapy