Radioisotope Teletherapy

**Definition:** A type of high-energy radiotherapy using a beam of gamma-radiation produced by a radioisotope source encapsulated within a teletherapy unit.

**Tree numbers:** - E02.815.722.820

**Synonyms:** - Teletherapy, Radioisotope - Therapy, Teleradioisotope - Teleradioisotope Therapy