Electron therapy

Electron therapy

Electron therapy or Electron Beam Therapy (EBT) is a kind of external beam radiotherapy where electrons are directed to a tumor site.

Indications

Electron beam therapy is used in the treatment of superficial tumors and it may also be used to boost the radiation dose to cancer node sites. Electron therapy is used to treat superficial tumors because of the characteristics of electron dose deposition: When using electron beams the dose falls off rapidly below the tumor site, therefore sparing deeper healthy tissue.

Equipment

Electron beam therapy is performed using a medical linear accelerator. This 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.


Wikimedia Foundation. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …   Wikipedia

  • Electron cyclotron resonance — is a phenomenon observed both in plasma physics and condensed matter physics. An electron in a static and uniform magnetic field will move in a circle due to the Lorentz force. The circular motion may be superimposed with a uniform axial motion,… …   Wikipedia

  • Électron — Traduction à relire Electron → …   Wikipédia en Français

  • electron beam — ▪ physics       stream of electrons (as from a betatron) generated by heat ( thermionic emission), bombardment of charged atoms or particles (secondary electron emission), or strong electric fields (field emission). Electrons may be collimated by …   Universalium

  • electron beam — A stream of electrons (small negatively charged particles found in atoms) that can be used for radiation therapy …   English dictionary of cancer terms

  • Particle therapy — Intervention ICD 9: 92.26 Particle therapy is a form of external beam radiotherapy using beams of energetic protons, neutrons, or positive ions for cancer treatment. The most common …   Wikipedia

  • Radiation therapy — Radiation (medicine) redirects here. It is not to be confused with Radiation (pain) or Radiology. Radiation therapy Intervention ICD 10 PCS D ICD 9 CM …   Wikipedia

  • Fast neutron therapy — Intervention ICD 10 PCS D?0?5ZZ ICD 9: 92.26 Fast neutron therapy utilizes high energy neutrons typically greater than 20 MeV …   Wikipedia

  • Boron neutron capture therapy — Intervention A schematic of therapy facility in Otaniemi, Finland. ICD 10 PCS D?0?6ZZ …   Wikipedia

  • Charged-particle radiation therapy — is a type of external radiation therapy that uses a particle accelerator to fire high energy particles (such as protons or carbon nuclei[1]) that kill cancer cells. This method causes less damage to nearby healthy tissue than traditional… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”