Proton Beam Craniospinal Irradiation

**Semantic type:** Therapeutic or Preventive Procedure

**Definition:** The use of proton beam radiation therapy to treat central nervous system malignancies of the cerebrospinal space.

**Synonyms:** - Craniospinal Proton Beam Radiation Therapy - Proton Craniospinal Irradiation - Proton Craniospinal Radiation Therapy - p-CSI