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- Radiation_therapy abstract "Radiation therapy, radiotherapy, or radiation oncology, often abbreviated RT, RTx, or XRT, is the medical use of ionizing radiation, generally as part of cancer treatment to control or kill malignant cells. Radiation therapy may be curative in a number of types of cancer if they are localized to one area of the body. It may also be used as part of adjuvant therapy, to prevent tumor recurrence after surgery to remove a primary malignant tumor (for example, early stages of breast cancer). Radiation therapy is synergistic with chemotherapy, and has been used before, during, and after chemotherapy in susceptible cancers.Radiation therapy is commonly applied to the cancerous tumor because of its ability to control cell growth. Ionizing radiation works by damaging the DNA of cancerous tissue leading to cellular death. To spare normal tissues (such as skin or organs which radiation must pass through to treat the tumor), shaped radiation beams are aimed from several angles of exposure to intersect at the tumor, providing a much larger absorbed dose there than in the surrounding, healthy tissue. Besides the tumour itself, the radiation fields may also include the draining lymph nodes if they are clinically or radiologically involved with tumor, or if there is thought to be a risk of subclinical malignant spread. It is necessary to include a margin of normal tissue around the tumor to allow for uncertainties in daily set-up and internal tumor motion. These uncertainties can be caused by internal movement (for example, respiration and bladder filling) and movement of external skin marks relative to the tumor position.Radiation oncology is the medical specialty concerned with prescribing radiation, and is distinct from radiology, the use of radiation in medical imaging and diagnosis. Radiation may be prescribed by a radiation oncologist with intent to cure ("curative") or for adjuvant therapy. It may also be used as palliative treatment (where cure is not possible and the aim is for local disease control or symptomatic relief) or as therapeutic treatment (where the therapy has survival benefit and it can be curative). It is also common to combine radiation therapy with surgery, chemotherapy, hormone therapy, immunotherapy or some mixture of the four. Most common cancer types can be treated with radiation therapy in some way. The precise treatment intent (curative, adjuvant, neoadjuvant, therapeutic, or palliative) will depend on the tumor type, location, and stage, as well as the general health of the patient. Total body irradiation (TBI) is a radiation therapy technique used to prepare the body to receive a bone marrow transplant. Brachytherapy, in which a radiation source is placed inside or next to the area requiring treatment, is another form of radiation therapy that minimizes exposure to healthy tissue during procedures to treat cancers of the breast, prostate and other organs.Radiation therapy has several applications in non-malignant conditions, such as the treatment of trigeminal neuralgia, acoustic neuromas, severe thyroid eye disease, pterygium, pigmented villonodular synovitis, and prevention of keloid scar growth, vascular restenosis, and heterotopic ossification. The use of radiation therapy in non-malignant conditions is limited partly by worries about the risk of radiation-induced cancers.".
- Radiation_therapy thumbnail Radiation_therapy.jpg?width=300.
- Radiation_therapy wikiPageExternalLink targetsafely.
- Radiation_therapy wikiPageExternalLink cancer.iaea.org.
- Radiation_therapy wikiPageExternalLink index.html.
- Radiation_therapy wikiPageExternalLink FULLTEXT01.
- Radiation_therapy wikiPageExternalLink www.acorrn.org.
- Radiation_therapy wikiPageExternalLink www.astro.org.
- Radiation_therapy wikiPageExternalLink 1399960.
- Radiation_therapy wikiPageExternalLink 9780750308601.
- Radiation_therapy wikiPageExternalLink www.estro.be.
- Radiation_therapy wikiPageExternalLink www.intpros.org.
- Radiation_therapy wikiPageExternalLink www.protons.com.
- Radiation_therapy wikiPageExternalLink careers_therapy.cfm.
- Radiation_therapy wikiPageExternalLink radiation_therapy.htm.
- Radiation_therapy wikiPageExternalLink www.rtanswers.org.
- Radiation_therapy wikiPageExternalLink www.rtog.org.
- Radiation_therapy wikiPageExternalLink en.
- Radiation_therapy wikiPageExternalLink www.sor.org.uk.
- Radiation_therapy wikiPageExternalLink 978-0-387-71069-3.
- Radiation_therapy wikiPageExternalLink RadSafetyExtBeamRadiotherapy.htm.
- Radiation_therapy wikiPageExternalLink watch?v=YnT1pfeFcXw&feature=channel_page.
- Radiation_therapy wikiPageID "26350".
- Radiation_therapy wikiPageRevisionID "605695293".
- Radiation_therapy hasPhotoCollection Radiation_therapy.
- Radiation_therapy icd "-".
- Radiation_therapy medlineplus "1918".
- Radiation_therapy meshid "D011878".
- Radiation_therapy name "Radiation therapy".
- Radiation_therapy subject Category:Medical_doctors_by_specialty.
- Radiation_therapy subject Category:Medical_physics.
- Radiation_therapy subject Category:Medical_specialties.
- Radiation_therapy subject Category:Radiation_health_effects.
- Radiation_therapy subject Category:Radiation_therapy.
- Radiation_therapy subject Category:Radioactivity.
- Radiation_therapy subject Category:Radiobiology.
- Radiation_therapy comment "Radiation therapy, radiotherapy, or radiation oncology, often abbreviated RT, RTx, or XRT, is the medical use of ionizing radiation, generally as part of cancer treatment to control or kill malignant cells. Radiation therapy may be curative in a number of types of cancer if they are localized to one area of the body. It may also be used as part of adjuvant therapy, to prevent tumor recurrence after surgery to remove a primary malignant tumor (for example, early stages of breast cancer).".
- Radiation_therapy label "Radiation therapy".
- Radiation_therapy label "Radioterapia".
- Radiation_therapy label "Radioterapia".
- Radiation_therapy label "Radioterapia".
- Radiation_therapy label "Radioterapia".
- Radiation_therapy label "Radiotherapie".
- Radiation_therapy label "Radiothérapie".
- Radiation_therapy label "Strahlentherapie".
- Radiation_therapy label "Радиотерапия".
- Radiation_therapy label "放射線療法".
- Radiation_therapy label "放射線療法".
- Radiation_therapy sameAs Radioterapie.
- Radiation_therapy sameAs Strahlentherapie.
- Radiation_therapy sameAs Radioterapia.
- Radiation_therapy sameAs Erradioterapia.
- Radiation_therapy sameAs Radiothérapie.
- Radiation_therapy sameAs Radioterapi.
- Radiation_therapy sameAs Radioterapia.
- Radiation_therapy sameAs 放射線療法.
- Radiation_therapy sameAs 방사선종양학과.
- Radiation_therapy sameAs Radiotherapie.
- Radiation_therapy sameAs Radioterapia.
- Radiation_therapy sameAs Radioterapia.
- Radiation_therapy sameAs m.06kmz.
- Radiation_therapy sameAs Q180507.
- Radiation_therapy sameAs Q180507.
- Radiation_therapy wasDerivedFrom Radiation_therapy?oldid=605695293.
- Radiation_therapy depiction Radiation_therapy.jpg.
- Radiation_therapy homepage index.html.
- Radiation_therapy isPrimaryTopicOf Radiation_therapy.