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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. 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 ] .

  4. 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]

  5. Tomotherapy - Wikipedia

    en.wikipedia.org/wiki/Tomotherapy

    The treatment field's length (the width of the radiation slice) is adjustable using collimator jaws. In static-jaw delivery, the field length remains constant during a treatment. In dynamic-jaw delivery, the field length changes so that it begins and ends at its minimum setting. Patient undergoing tomotherapy, face and body covered, to prevent ...

  6. Intraoperative electron radiation therapy - Wikipedia

    en.wikipedia.org/wiki/Intraoperative_Electron...

    Intraoperative electron radiation therapy is the application of electron radiation directly to the residual tumor or tumor bed during cancer surgery. [1] [2] Electron beams are useful for intraoperative radiation treatment because, depending on the electron energy, the dose falls off rapidly behind the target site, therefore sparing underlying healthy tissue.

  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."