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Every radiotherapy centre should have equipment that includes megavoltage equipment with multiple energy, and can produce electron and photon; multi-channel High Dose Rate (HDR) Brachytherapy, CT simulator, Mould Room, Treatment Planning System, as well as medical Physics Unit for Dosimetry and radiation protection.
12 For external beam radiotherapy involving megavoltage beams, it is desirable for the gel to have electron density as close as possible to water.
Patients were treated with radiation therapy 14 Gy in four fractions, megavoltage beam, twice daily fractions (at least 6 hours apart), for 2 consecutive days.
Both birds were treated with surgical debulking, followed by radiotherapy, one with orthovoltage x-rays and the other with megavoltage radiation (telecobalt-60).
Radiographic x-ray beam radiation dose measurements has different requirements and along with challenges as compared to the high energy megavoltage x-ray beams [5].
SB 481 requires continued licensing for cardiac catheterization laboratory services, coronary artery bypass graft surgery and megavoltage radiation therapy.
Second neoplasms after megavoltage radiation for pediatric tumors.
Megavoltage irradiation in the treatment of gliomas of the brain and spinal cord.
Esophageal toxicity became apparent after the advent of megavoltage radiation therapy and was first described in humans in the mid 1950.