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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.
The electron beam current required to produce the X-rays is about 100 times greater than that used for electron therapy. [6] Turntable rotation. The patient is placed on a fixed stretcher. Above them is a turntable to which the components that modify the electron beam are fixed.
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 ] .
While IORT was first used in clinical practice in 1905, [7] [8] the modern era of IORT began with the introduction of electron IORT in the mid-1960s by transporting patients from the OR after the tumor was removed to the radiation department to receive their electron IORT.
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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.
Electron therapy; External beam radiotherapy; I. Intraoperative electron radiation therapy This page was last edited on 14 April 2011, at 18:49 (UTC). Text ...
Oct. 11—The Fred C. and Katherine B. Andersen Foundation of Bayport, Minnesota, has made a $100 million multi-year commitment to support the expansion of Mayo Clinic's proton beam facility in ...