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Topic: Radiation therapy

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In the News (Fri 21 Jun 19)

  Radiation Therapy for Cancer: Q & A - National Cancer Institute
Radiation therapy may be used to treat almost every type of solid tumor, including cancers of the brain, breast, cervix, larynx, lung, pancreas, prostate, skin, spine, stomach, uterus, or soft tissue sarcomas.
Radiation may come from a machine outside the body (external radiation), may be placed inside the body (internal radiation), or may use unsealed radioactive materials that go throughout the body (systemic radiation therapy).
Proton beam therapy is also being used in clinical trials for intraocular melanoma (melanoma that begins in the eye), retinoblastoma (an eye cancer that most often occurs in children under age 5), rhabdomyosarcoma (a tumor of the muscle tissue), some cancers of the head and neck, and cancers of the prostate, brain, and lung.
www.cancer.gov /cancertopics/factsheet/Therapy/radiation   (3920 words)

 Radiation Therapy - Cancer information (cancers, symptoms, treatment) on MedicineNet.com
In radiation therapy (also called radiotherapy), high-energy rays are used to damage cancer cells and stop them from growing and dividing.
External radiation therapy is usually given on an outpatient basis in a hospital or clinic 5 days a week for a number of weeks.
With radiation therapy, the side effects depend on the treatment dose and the part of the body that is treated.
www.medicinenet.com /radiation_therapy/article.htm   (511 words)

 Imaginis - Radiation Therapy for the Treatment of Breast Cancer
Radiation therapy is often used to destroy any remaining breast cancer cells in the breast, chest wall, or axilla (underarm) area after surgery.
Radiation therapy may occasionally be recommended for women to destroy remaining cancer cells after mastectomy (surgical removal of the affected breast) or to shrink tumors in patients with advanced breast cancer.
Other common side effects of radiation therapy are neutropenia (sharp decrease in white blood cell count) swelling of the breast, a feeling of heaviness in the breast, a sunburn-type appearance of the breast skin, and loss of appetite.
www.imaginis.com /breasthealth/radio_bctreatment.asp   (939 words)

 Leukemia & Lymphoma Society - Radiation Therapy
Radiation therapy may also be useful to control symptoms when local cancer growths cause pain as a result of pressure on bone or nerve, or when the function of vital organs such as the bowel, or respiratory system are involved.
The goal of radiation therapy in the case of blood-related cancers is to destroy the cancer tissue under treatment.
The radiation therapy is given to the patient in the form of gamma rays or x-rays.
www.leukemia-lymphoma.org /all_page?item_id=9083   (1331 words)

 CCNetwork - Radiation Therapy   (Site not responding. Last check: 2007-10-29)
Radiation therapy for rectal cancer is typically given by a machine which aims x-rays at the body (external beam radiation).
The radiation oncologist may perform a second planning session or simulation near the end of treatment to focus the radiation to the area where cancer cells are most likely to remain.
The radiation doctor is able to see the area being treated directly and move sensitive normal structures, such as the small bowel, away from the radiation beam.
www.colorectal-cancer.net /radiationtherapy.htm   (924 words)

 Radiation Therapy
Although radiation damages both cancer cells and normal cells, normal, healthy cells are able to repair themselves and return to proper functioning.Radiotherapy may be used to treat localized solid tumors, such as those cancers associated with the oral environment.
The total dose of radiation therapy prescribed by the radiation oncologist is broken down into small amounts (fractions) which are given on a daily basis, usually five days in a row with a two day break each week.
Radiation therapy may be used alone or in combination with chemotherapy or surgery.
www.oralcancerfoundation.org /facts/radiation.htm   (1414 words)

 Esophageal Cancer - Chemotherapy and Radiation Therapy   (Site not responding. Last check: 2007-10-29)
This a combined approach, utilizing chemotherapy and radiation therapy that may or may not be followed by surgery.
Chemotherapy and radiation therapy are used together in esophageal cancer to shrink the tumor and decrease the chance of any cancer cells surviving elsewhere in the body.
This therapy uses a form of high energy x-rays which are carefully directed at your tumor and the surrounding tissue which is at high risk for local spread.
www.umm.edu /thoracic/esoph_therapy.html   (1157 words)

 ACS :: Radiation Therapy
Radiation therapy is treatment with high-energy rays or particles that destroy cancer cells.
Radiation may also be needed after mastectomy in cases with either a cancer larger than 5 cm in size, or when cancer is found in the lymph nodes.
Radiation therapy of axillary lymph nodes also can cause lymphedema (see the section, ""What Happens After Treatment for Breast Cancer?".) Radiation therapy is not given during pregnancy because it can harm a fetus.
www.cancer.org /docroot/CRI/content/CRI_2_4_4X_Radiation_Therapy_5.asp?sitearea=   (825 words)

 Radiation Therapy
Radiation therapy uses high-energy rays to kill or shrink cancer cells, and to decrease their ability to divide.
Radiation is often used to treat prostate cancer that is still confined to the prostate gland, or has spread only to nearby tissue.
Since radiation is used to kill cancer cells, special shields may be used to protect the tissue surrounding the treatment area.
www.healthsystem.virginia.edu /uvahealth/adult_prostate/pradiat.cfm   (329 words)

 [No title]
Radiation therapy causes cancer cell death by damaging the chromosomes in the cell so that the cells cannot multiply.
Radiation therapy plays a much more important role in treating rectal cancer where it can be used to reduce the size of a tumor before local excision of the cancer.
Radiation therapy is also used as adjuvant therapy (additional therapy) with chemotherapy for rectal cancer to improve survival rates.
www.webmd.com /colorectal-cancer/radiation-therapy   (794 words)

 Radiation Therapy | Prostate Cancer Information | UPMC Cancer Centers
Radiation therapy is the use of high-energy beams or particles to kill cancer cells or make them unable to grow and divide.
Radiation is used to treat cancers confined within the prostate gland or that have spread to nearby tissue.
Radiation may be used as the primary method of treatment or as an adjuvant, or additional, treatment to increase the effectiveness of another primary therapy, such as
www.upmccancercenters.com /cancer/prostate/radtherapy.html   (619 words)

 Prostate Cancer Info : education, support, male hormone therapy, PSA tests, antiandrogens
Radiation therapy uses high-energy rays to kill prostate cancer cells, shrink tumors, and prevent cancer cells from dividing and spreading.
Radiation therapy may also be used for pain relief in prostate cancer that has spread to the bones (Stage M+) or that is no longer responding to hormonal therapy.
One type of external beam radiation therapy is 3-dimensional conformal radiation therapy, in which computers are used to identify the location of the prostate and the cancer inside the prostate gland.
www.prostateinfo.com /patient/treatment/radiation.asp   (1468 words)

 Radiation Therapy for Blood-Related Cancers
Radiation therapy is usually given to the patient by a machine that focuses a radiation beam on the body parts being treated.
Radiation may also be given to a larger area (extended field) or only to the part of the body where cancer was found and to nearby lymph nodes.
Radiation therapy is often part of the transplant preparative regimen -- treatment used to prepare a patient for a bone marrow or cord blood transplant.
www.marrow.org /PATIENT/Undrstnd_Disease_Treat/Undrstnd_Treat_Opt/Lrn_Other_Treatment/Radiation/index.html   (1081 words)

 The Basics of Radiation Therapy
Radiation therapy is administered to those cancers where there is a selective ability for the radiation to destroy cancer cells while allowing the adjacent normal cells to repair themselves from the injury.
The decision to use radiation therapy for your cancer was arrived at after consultations between the pathologist, surgeon, internist, and chemotherapist, all of whom are part of your treatment team.
Radiation therapy is delivered with the assistance of a team of specialists who assist the radiation oncologist.
www.webmd.com /content/article/4/1680_50263   (3829 words)

 Radiation therapy
Radiation therapy, sometimes called radiotherapy, x-ray therapy radiation treatment, cobalt therapy, electron beam therapy, or irradiation uses high energy, penetrating waves or particles such as x rays, gamma rays, proton rays, or neutron rays to destroy cancer cells or keep them from reproducing.
The advantage of internal radiation therapy is that it concentrates the radiation near the cancer and lessens the chance of damage to normal cells.
The correct radiation dose, the number of sessions, the interval between sessions, and the method of application are calculated by a radiation oncologist based on the tumor type, its size, and the sensitivity of the nearby tissues.
www.healthatoz.com /healthatoz/Atoz/ency/radiation_therapy.jsp   (2694 words)

 Radiation therapists
Radiation therapy is the use of radiation to treat cancer in the human body.
Radiation therapy sometimes is used as the sole treatment for cancer, but usually is used in conjunction with chemotherapy or surgery.
Radiation oncologists and dosimetrists review these records to ensure that the treatment plan is working, to monitor the amount of radiation exposure that the patient has received, and to keep unwanted side effects to a minimum.
www.bls.gov /oco/ocos299.htm   (1493 words)

 Radiation Therapy
Radiation is a safe and effective form of treatment for patients of all ages.
The source of radiation is made in the form of wires, seeds or plaques and are inserted into the tumor for delivering high doses of radiation.
Intraoperative radiation is another type of radiation where the patient, while undergoing a surgery, is put under a linear accelerator and a fine beam is being concentrated on the tumor bed.
www.tirgan.com /radiation.htm   (1576 words)

 Radiation Therapy
Radiation therapy is a treatment used to shrink or destroy solitary cancers that cannot be safely or completely removed by surgery.
After the patient's first dose of radiation is completed, Cheryl Bohling (Veterinary Technician in anesthesia and radiation therapy) rotates the arm of the Cobalt-60 radiation therapy unit into place for the second dose.
A purple "x" marks the spot on a patient's body where radiation therapy will be directed, so that the same area is treated each time.
vmthpub.vetmed.wisc.edu /hosp_services/rt/default.htm   (358 words)

 Radiation therapy - Wikipedia, the free encyclopedia
Radiation therapy (or radiotherapy) is the medical use of ionizing radiation as part of cancer treatment to control malignant cells (not to be confused with radiology, the use of radiation in medical imaging and diagnosis).
Radiation is a potential cause of cancer, and secondary malignancies are seen in a very small minority of patients, generally many years after they have received a course of radiation treatment.
The amount of radiation used in radiation therapy is measured in grays (Gy), and varies depending on the type and stage of cancer being treated.
en.wikipedia.org /wiki/Radiation_therapy   (2619 words)

 Lymphoma Information Network - Radiotherapy Treatment
Radiation therapy or radiotherapy is the use of high-energy x-rays (or sometimes other radiation) to kill cancer cells and shrink tumors.
Radiation therapy is most often prescribed and supervised by a radiation oncologist.
The radiation oncologist, physicist, and dosimetrist will use the information from the simulation, other tests, and the patient's medical background to determine the dosage of radiation to be given.
www.lymphomainfo.net /therapy/radiotherapy/index.html   (396 words)

 Radiation Therapy Career Overview
For example, radiation therapy is used to treat cancer –; alone or in conjunction with surgery and/or chemotherapy.
Radiation therapists have continual contact with patients for the course of their treatment, educating them about treatment and simulation procedures and potential radiation side effects.
Radiation therapists are employed in hospitals, universities and clinics.
www.mayo.edu /mshs/rt-career.html   (306 words)

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