megavoltage radiation therapy

(redirected from supervoltage therapy)

megavoltage radiation therapy

A clinical modality consisting of the administration of high energy (1 megavolt or greater) to a deep-seated cancer (e.g., prostate or brain cancer) or cerebrovascular defect(s) by an MRT unit (e.g., linear accelerator or 60Co unit).
References in periodicals archive ?
For the Supervoltage Therapy Unit, in 1961 Alf designed an automatic "Isodose Recorder" (11) (now superseded by an isotype radiation source, etc.) to first record the dosage of high voltage radiation absorbed by a "water phantom", a kind of simulator enabling more precise and safer treatment (3).