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  2. Electron therapy - Wikipedia

    en.wikipedia.org/wiki/Electron_therapy

    Electron beam therapy is performed using a medical linear accelerator.The same device can also be used to produce high energy photon beams. When electrons are required, the X-ray target is retracted out of the beam and the electron beam is collimated with a piece of apparatus known as an applicator or an additional collimating insert, constructed from a low melting point alloy.

  3. Radiation therapy - Wikipedia

    en.wikipedia.org/wiki/Radiation_therapy

    Most side effects are predictable and expected. Side effects from radiation are usually limited to the area of the patient's body that is under treatment. Side effects are dose-dependent; for example, higher doses of head and neck radiation can be associated with cardiovascular complications, thyroid dysfunction, and pituitary axis dysfunction ...

  4. External beam radiotherapy - Wikipedia

    en.wikipedia.org/wiki/External_beam_radiotherapy

    External beam radiation therapy (EBRT) is a form of radiotherapy that utilizes a high-energy collimated beam of ionizing radiation, from a source outside the body, to target and kill cancer cells. The radiotherapy beam is composed of particles, which are focussed in a particular direction of travel using collimators. [ 1 ]

  5. Therac-25 - Wikipedia

    en.wikipedia.org/wiki/Therac-25

    A "field light" mode, which allowed the patient and collimator to be correctly positioned by illuminating the treatment area with visible light. Direct electron-beam therapy, in which a narrow, low-current beam of high-energy (5 to 25 MeV (0.80 to 4.01 pJ)) electrons was scanned over the treatment area by magnets; [6]

  6. Radiation burn - Wikipedia

    en.wikipedia.org/wiki/Radiation_burn

    The penetration depth depends also on beam shape, narrower beam tend to have less penetration. In water, broad electron beams, as is the case in homogeneous surface contamination of skin, have d 80 about E/3 cm and R p about E/2 cm, where E is the beta particle energy in MeV. [24]

  7. The dangers of LED face masks you should know about - AOL

    www.aol.com/lifestyle/dangers-led-face-masks...

    It’s important to have a treatment plan that is specific to your needs." Palep maintained: "Overall, at-home LED masks use varying lower frequencies which are only questionably effective."