Latest technology:
Several new ways to deliver radiation to a
- Three-dimensional conformal radiation therapy (3D-CRT) uses CT images and special computers to very precisely map the location of a cancer in 3 dimensions.
- Intensity modulated radiation therapy (IMRT) is another advanced form of external radiation therapy using photons. Apart from mapping out the three-dimensional location of the tumor the intensity of the beams can be adjusted.
- Conformal proton beam radiation therapy uses proton beams instead of x-rays. Protons are parts of atoms that deliver more radiation to the cancer while reducing side effects on nearby normal tissues.
- Stereotactic radiosurgery delivers a large, precise radiation dose to a small tumor area. Since no incision is actually made tumors originating from or spreading to the brain are treated with this technique.
- Intraoperative radiation therapy (IORT) is the delivery of radiation to the cancer during surgery. The radiation may be given externally or internally, and is often combined with a course of external radiation given before or after the operation.
- Hyperthermia refers to the use of heat to treat cancer. Heat created by microwaves and ultrasound is being studied in combination with radiation and appears to improve the effect of the radiation.
- Radio immunotherapy: It is the use of radio labeled antibodies to deliver doses of radiation directly to the cancer site. Some tumor cells contain specific antigens that trigger the production of tumor-specific antibodies. These antibodies are attached to radioactive substances and injected into the body which seeks out cancer cells, which are destroyed by the radiation. This approach can minimize the risk of radiation damage to healthy cells. Two Radio immunotherapy treatments, ibritumomab tiuxetan and tositumomab and iodine 131 tositumomab, have been approved for advanced adult non-Hodgkin's lymphoma (NHL).
- About Cancer - (http://www.cancerhelp.org.uk/help/ default.asp?page=166)
- WHAT IS RADIOTHERAPY? - (http://www.cancernet.co.uk/rxt-what.htm)
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11 years experience
Shukla hospital - Ultrasound and Diagnostic Centre, Dharamshala, Kangra
There is opinion saying Radiotherapy and Chemotherapy treatment are not actually killing the cancer cells but the cells are kept [or maybe deactivated] for a period of time... It will strike back. At that point of time, we may be able to do the same treatment/s, but the attack usually more severe than the first. Possibly, the patient may have no energy to go through the second episode of treatment (due to age and/or tiredness and/or cost incurred). If you are not lucky, the second cancer will strike due to the treatment itself. So, instead of killing the cancer cells the treatment may create second cancer. Appreciate comments please
could IMRT done near an organ cause the organ a condition that can not be transplanted if needed?
hi!
can i ask what's the difference between conventional fractionated XRT versus stereotactic radiosurgery vs external beam radiation therapy?
My skin is itchy and scratches now and then please advise
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